[Emacs] Add some EXWM documentation
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Add also some literate config
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@ -3081,47 +3081,130 @@ I’ll also create a fuction for connecting to this new Tramp protocol:
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:PROPERTIES:
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:CUSTOM_ID: Packages-Configuration-EXWM-pr14yxs09aj0
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:END:
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#+begin_src emacs-lisp
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(defvar phundrak/with-exwm (and (eq window-system 'x)
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(seq-contains command-line-args "--use-exwm")))
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So, I’m finally slowly getting back to EXWM. I tried it a couple of
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years ago, but that was with the SpacemacsOS layer on Spacemacs, on a
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laptop which got accidentaly formatted before I could save my config
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and all… So it got me some time to come back. I’m still a bit worried
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about Emacs being single threaded, so if I get one blocking function
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blocking Emacs, my whole desktop will hang, but for now I haven’t had
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this issue.
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First, I need to install the /X protocol Emacs Lisp Bindings/. It
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doesn’t seem to be available in any repo, so I’ll install it directly
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from Git.
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#+begin_src emacs-lisp
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(use-package xelb
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:straight (xelb :build t
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:type git
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:host github
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:repo "ch11ng/xelb"))
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#+end_src
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;; config.daviwil.com/desktop
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Next is a function I’ve +stolen+ copied from Daviwil’s [[https://config.daviwil.com/desktop][desktop
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configuration]]. This allows to launch software in the background
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easily.
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#+begin_src emacs-lisp
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(defun exwm/run-in-background (command &optional once)
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(let ((command-parts (split-string command " +")))
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(apply #'call-process `(,(car command-parts) nil 0 nil ,@(cdr command-parts)))))
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#+end_src
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(use-package exwm
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:straight (exwm :build t
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:type git
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:host github
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:repo "ch11ng/exwm")
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:custom
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(use-dialog-box nil "Disable dialog boxes since they are unusable in EXWM")
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(exwm-input-line-mode-passthrough t "Pass all keypresses to emacs in line mode.")
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:init
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(require 'exwm-config)
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(setq exwm-workspace-number 3)
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:config
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*** EXWM itself
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:PROPERTIES:
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:CUSTOM_ID: Packages-Configuration-EXWM-EXWM-itself-hhgexz61aaj0
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:END:
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Now we come to the plat de résistance. Like with ~xelb~, I’m using its
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Git source to install it to make sure I get the right version --- the
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version available on the GNU ELPA is from the same source, true, but I
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don’t know at which rate it is updated. And more packages down the
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line will depend on this Git repository, so I might as well just clone
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it right now.
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As you can see, in the ~:config~ secion I added to two hooks functions
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so buffers are accurately renamed. While the average X window will
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simply get the name of the current X window, I want Firefox and
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Qutebrowser to be prefixed with the name of the browser. Actually, all
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these will be renamed this way:
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#+name: exwm-renamed-buffers-list
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- Discord
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- Firefox
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- Qutebrowser
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#+name: exwm-gen-buffers-rename
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#+headers: :exports none :tangle no
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#+begin_src emacs-lisp :var buffers=exwm-renamed-buffers-list :cache yes
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(mapconcat (lambda (buffer)
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(let ((buffer-name (car buffer)))
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(format "(\"%s\" %S)"
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(downcase buffer-name)
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`(exwm-workspace-rename-buffer (concat ,(concat buffer-name " - %s")
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exwm-title)))))
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buffers
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"\n")
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#+end_src
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#+RESULTS[53d4805340ff070b477ea5d3725105c488ffb1fd]: exwm-gen-buffers-rename
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: ("discord" (exwm-workspace-rename-buffer (concat "Discord - %s" exwm-title)))
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: ("firefox" (exwm-workspace-rename-buffer (concat "Firefox - %s" exwm-title)))
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: ("qutebrowser" (exwm-workspace-rename-buffer (concat "Qutebrowser - %s" exwm-title)))
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#+name: exwm-buffers-name
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#+begin_src emacs-lisp :tangle no
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(add-hook 'exwm-update-class-hook
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(lambda () (exwm-workspace-rename-buffer exwm-class-name)))
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(add-hook 'exwm-update-title-hook
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(lambda ()
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(pcase exwm-class-name
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<<exwm-gen-buffers-rename()>>
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)))
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#+end_src
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As you can see below, in the ~:config~ section I added two advices and one
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hook in order to correctly integrate evil with EXWM. When I’m in an X
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window, I want to be in insert-mode so I can type however I want.
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However, when I exit one, I want to default back to normal-mode.
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#+name: exwm-advices-evil
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#+begin_src emacs-lisp :tangle no
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(add-hook 'exwm-manage-finish-hook (lambda () (call-interactively #'exwm-input-release-keyboard)))
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(advice-add #'exwm-input-grab-keyboard :after (lambda (&optional id) (evil-normal-state)))
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(advice-add #'exwm-input-release-keyboard :after (lambda (&optional id) (evil-insert-state)))
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#+end_src
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Secondly, I add ~i~, ~C-SPC~, and ~M-m~ as exwm prefix keys so they aren’t
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sent directly to the X windows but caught by Emacs (and EXWM). I’ll
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use the ~i~ key in normal-mode to enter ~insert-mode~ and have Emacs
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release the keyboard so the X window can grab it. ~s-I~ will also toggle
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between releasing to and grabing the keyboard from X windows.
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~s-<escape>~ will be only useful for grabing back the keyboard, a bit
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like exiting the insert state from evil back to the normal state.
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#+name: exwm-prefix-keys
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#+begin_src emacs-lisp :tangle no
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(general-define-key
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:keymaps 'exwm-mode-map
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:states 'normal
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"i" #'exwm-input-release-keyboard)
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(exwm-input-set-key (kbd "s-I") #'exwm-input-toggle-keyboard)
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(exwm-input-set-key (kbd "s-<escape>") #'exwm-input-grab-keyboard)
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(push ?\i exwm-input-prefix-keys)
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(push (kbd "C-SPC") exwm-input-prefix-keys)
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(push (kbd "M-m") exwm-input-prefix-keys)
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#+end_src
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(add-hook 'exwm-update-class-hook
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(lambda () (exwm-workspace-rename-buffer exwm-class-name)))
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As stated a couple of times in my different configuration files, I’m
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using the bépo layout, which means the default keys in the number row
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are laid as follow:
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#+name: exwm-bepo-number-row
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#+begin_src emacs-lisp :tangle no
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(defconst exwm-workspace-keys '("\"" "«" "»" "(" ")" "@" "+" "-" "/" "*"))
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#+end_src
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(defconst exwm-workspace-keys '("*" "\"" "«" "»" "(" ")" "@" "+" "-" "/"))
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With this, we can create keybinds for going or sending X windows to
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workspaces 0 to 9.
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#+name: exwm-workspace-keybinds
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#+begin_src emacs-lisp :tangle no
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(setq exwm-input-global-keys
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`(,@exwm-input-global-keys
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,@(mapcar (lambda (i)
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@ -3136,20 +3219,16 @@ I’ll also create a fuction for connecting to this new Tramp protocol:
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(interactive)
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(exwm-workspace-move-window ,i))))
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(number-sequence 0 9))))
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#+end_src
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(exwm-input-set-key (kbd "C-q") #'exwm-input-send-next-key)
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(exwm-input-set-key (kbd "s-I") #'exwm-input-toggle-keyboard)
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(exwm-input-set-key (kbd "s-l") (lambda () (start-process "" nil "plock")))
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(exwm-input-set-key (kbd "s-r") #'exwm-reset)
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(exwm-input-set-key (kbd "s-R") #'exwm-restart)
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(exwm-input-set-key (kbd "s-w") #'exwm-workspace-switch)
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You can then see the list of the keybinds I have set for EXWM, which
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are all prefixed with ~SPC x~ in normal mode (and ~C-SPC x~ in insert
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mode), with the exception of ~s-RET~ which opens an eshell terminal.
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#+name: exwm-keybinds
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#+begin_src emacs-lisp :tangle no
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(exwm-input-set-key (kbd "s-<return>") (lambda ()
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(interactive)
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(start-process-shell-command "kitty" nil "kitty")))
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(exwm-input-set-key (kbd "s-<escape>") #'exwm-input-grab-keyboard)
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(exwm-input-set-key (kbd "s-d") (lambda ()
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(interactive)
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(start-process "RUN" nil (string-trim (read-shell-command "RUN: ")))))
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(eshell)))
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(phundrak/leader-key
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:infix "x"
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@ -3159,8 +3238,17 @@ I’ll also create a fuction for connecting to this new Tramp protocol:
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(interactive)
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(start-process "" nil "plock"))
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:which-key "lock")
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"r" #'exwm-reset
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"R" #'exwm-restart
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"r" '(:ignore t :wk "rofi")
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"rr" '((lambda () (interactive)
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(with-temp-buffer
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(shell-command "rofi -show drun" (current-buffer) (current-buffer))))
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:wk "drun")
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"rw" '((lambda () (interactive)
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(with-temp-buffer "rofi -show window" (current-buffer) (current-buffer)))
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:wk "windows")
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"R" '(:ignore t :wk "restart")
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"Rr" #'exwm-reset
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"RR" #'exwm-restart
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"t" '(:ignore t :which-key "toggle")
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"tf" #'exwm-layout-toggle-fullscreen
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"tF" #'exwm-floating-toggle-floating
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@ -3168,21 +3256,85 @@ I’ll also create a fuction for connecting to this new Tramp protocol:
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"w" '(:ignore t :which-key "workspaces")
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"wa" #'exwm-workspace-add
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"wd" #'exwm-workspace-delete
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"ws" #'exwm-workspace-switch
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"x" '((lambda ()
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(interactive)
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(let ((command (string-trim (read-shell-command "RUN: "))))
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(start-process command nil command)))
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:which-key "run"))
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:which-key "run")
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"RET" #'eshell-new)
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#+end_src
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(exwm/run-in-background "mpc stop")
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(exwm/run-in-background "pumopm")
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;; (exwm/run-in-background "nm-applet")
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(exwm/run-in-background "xss-lock")
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(exwm/run-in-background "xrdb -merge $HOME/.Xresources")
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A couple of commands are also automatically executed:
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#+name: exwm-autostart-list
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- ~mpc stop~ :: stops any music played by MPD (if any) when Emacs is
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launched.
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- ~pumopm~ :: my power manager, you can see its code source [[https://labs.phundrak.com/phundrak/pumopm][here]].
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- ~xss-lock plock~ :: automatically lock the desktop with my script [[file:bin.org::#Lock-635fcb38][plock]].
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- ~xrdb -merge $HOME/.Xresources~ :: use the settings from my xresources
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file
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(after! exwm-randr
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(exwm-init)))
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#+name: exwm-generate-autostarts
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#+headers: :exports results :tangle no
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#+begin_src emacs-lisp :var autostarts=exwm-autostart-list :cache yes
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(mapconcat (lambda (command)
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(let* ((whitespace (rx (+ space)))
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(raw-command (car (split-string (car command) "::" t whitespace)))
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(command (replace-regexp-in-string (regexp-quote "~") "" raw-command)))
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(format "%S" `(exwm/run-in-background ,command))))
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autostarts
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"\n")
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#+end_src
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#+RESULTS[c480df0f806b0007d125e570ab95c7e17dc2199d]: exwm-generate-autostarts
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: (exwm/run-in-background "mpc stop")
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: (exwm/run-in-background "pumopm")
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: (exwm/run-in-background "xss-lock plock")
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: (exwm/run-in-background "xrdb -merge $HOME/.Xresources")
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Finally, let’s only initialize and start EXWM once functions from
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exwm-randr ran, because otherwise having multiple monitors don’t work.
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#+name: exwm-init
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#+begin_src emacs-lisp :tangle no
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(with-eval-after-load 'exwm-randr
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(exwm-init))
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#+end_src
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The complete configuration for the ~exwm~ package can be found below.
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#+begin_src emacs-lisp :noweb yes
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(use-package exwm
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:straight (exwm :build t
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:type git
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:host github
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:repo "ch11ng/exwm")
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:custom
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(use-dialog-box nil "Disable dialog boxes since they are unusable in EXWM")
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(exwm-input-line-mode-passthrough t "Pass all keypresses to emacs in line mode.")
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:init
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(require 'exwm-config)
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(setq exwm-workspace-number 3)
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:config
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<<exwm-buffers-name>>
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<<exwm-advices-evil>>
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<<exwm-prefix-keys>>
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<<exwm-bepo-number-row>>
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<<exwm-workspace-keybinds>>
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<<exwm-keybinds>>
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<<exwm-generate-autostarts()>>
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<<exwm-init>>
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)
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#+end_src
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*** EXWM-Evil integration
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:PROPERTIES:
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:CUSTOM_ID: Packages-Configuration-EXWM-EXWM-Evil-integration-kwlexz61aaj0
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:END:
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#+begin_src emacs-lisp
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(use-package evil-exwm-state
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:defer t
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:after exwm
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@ -3190,19 +3342,13 @@ I’ll also create a fuction for connecting to this new Tramp protocol:
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:type git
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:host github
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:repo "domenzain/evil-exwm-state"))
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#+end_src
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(use-package desktop-environment
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:defer t
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:straight (desktop-environment :build t
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:type git
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:host github
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:repo "DamienCassou/desktop-environment")
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:diminish t
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:config
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(setq desktop-environment-update-exwm-global-keys :prefix)
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(setq exwm-layout-show-al-buffers t))
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*** Multimonitor support
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:PROPERTIES:
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:CUSTOM_ID: Packages-Configuration-EXWM-Multimonitor-support-l5pexz61aaj0
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:END:
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#+begin_src emacs-lisp
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(use-package exwm-randr
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:after exwm
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:straight (exwm-randr :build t
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@ -3220,6 +3366,54 @@ I’ll also create a fuction for connecting to this new Tramp protocol:
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(exwm-randr-enable))
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#+end_src
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*** Keybinds for a desktop environment
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:PROPERTIES:
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:CUSTOM_ID: Packages-Configuration-EXWM-Keybinds-for-a-desktop-environment-q2sexz61aaj0
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:END:
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#+begin_src emacs-lisp
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(use-package desktop-environment
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:defer t
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:straight (desktop-environment :build t
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:type git
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:host github
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:repo "DamienCassou/desktop-environment")
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:diminish t
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:config
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(setq desktop-environment-update-exwm-global-keys :prefix
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exwm-layout-show-al-buffers t)
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(setq desktop-environment-bluetooth-command "bluetoothctl"
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desktop-environment-brightness-get-command "xbacklight -get"
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desktop-environment-brightness-get-regexp (rx line-start (group (+ digit)))
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desktop-environment-brightness-set-command "xbacklight %s"
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desktop-environment-brightness-normal-increment "-inc 5"
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desktop-environment-brightness-normal-decrement "-dec 5"
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desktop-environment-brightness-small-increment "-inc 2"
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desktop-environment-brightness-small-decrement "-dec 2"
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desktop-environment-volume-normal-decrement "5%-"
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desktop-environment-volume-normal-increment "5%+"
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desktop-environment-volume-small-decrement "2%-"
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desktop-environment-volume-small-increment "2%+"
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desktop-environment-volume-set-command "amixer -q Master %s unmute"
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desktop-environment-screenshot-directory "~/Pictures/Screenshots"
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desktop-environment-screenlock-command "plock"
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desktop-environment-music-toggle-command "mpc toggle"
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desktop-environment-music-previous-command "mpc prev"
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desktop-environment-music-next-command "mpc next"
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desktop-environment-music-stop-command "mpc stop")
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(general-define-key
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"<XF86AudioPause>" (lambda () (interactive)
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(with-temp-buffer
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(shell-command "mpc pause" (current-buffer) (current-buffer)))))
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(desktop-environment-mode))
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#+end_src
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*** Bluetooth
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:PROPERTIES:
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:CUSTOM_ID: Packages-Configuration-EXWM-Bluetooth-k0zhpda0aaj0
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