[~bandali/configs] / .emacs.d / lisp / bandali-exwm.el

;;; bandali-exwm.el --- bandali's EXWM configuration  -*- lexical-binding: t; -*-

;; Copyright (C) 2018-2022  Amin Bandali

;; Author: Amin Bandali <bandali@gnu.org>
;; Keywords: tools

;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; My EXWM setup.  Makes good use of its simulation keys.

;;; Code:

(add-to-list 'load-path (b/lisp "xelb"))
(add-to-list 'load-path (b/lisp "exwm"))
(require 'exwm)
;; (setq exwm-replace t)
;; make class name the buffer name, truncating beyond 60 characters
(defun b/exwm-rename-buffer ()
  (interactive)
  (exwm-workspace-rename-buffer
   (concat exwm-class-name ":"
           (if (<= (length exwm-title) 60) exwm-title
             (concat (substring exwm-title 0 59) "...")))))
;; Enable EXWM
(exwm-enable)
(add-hook 'exwm-update-class-hook #'b/exwm-rename-buffer)
(add-hook 'exwm-update-title-hook #'b/exwm-rename-buffer)

(require 'exwm-config)
(add-hook 'exwm-init-hook #'exwm-config--fix/ido-buffer-window-other-frame)

(require 'exwm-input)
(defun b/exwm-ws-prev-index ()
  "Return the index for the previous EXWM workspace, wrapping
around if needed."
  (if (= exwm-workspace-current-index 0)
      (1- exwm-workspace-number)
    (1- exwm-workspace-current-index)))

(defun b/exwm-ws-next-index ()
  "Return the index for the next EXWM workspace, wrapping
around if needed."
  (if (= exwm-workspace-current-index
         (1- exwm-workspace-number))
      0
    (1+ exwm-workspace-current-index)))

(defun b/exwm-ws-prev ()
  "Switch to previous EXWM workspace, wrapping around if needed."
  (interactive)
  (exwm-workspace-switch-create
   (b/exwm-ws-prev-index)))

(defun b/exwm-ws-next ()
  "Switch to next EXWM workspace, wrapping around if needed."
  (interactive)
  (exwm-workspace-switch-create
   (b/exwm-ws-next-index)))

;; shorten 'C-c C-q' to 'C-q'
(define-key exwm-mode-map [?\C-q] #'exwm-input-send-next-key)

;; scroll up/down/left/right on the echo area
(define-key minibuffer-inactive-mode-map [mouse-4] #'b/exwm-ws-prev)
(define-key minibuffer-inactive-mode-map [mouse-5] #'b/exwm-ws-next)
(define-key minibuffer-inactive-mode-map [mouse-6] #'b/exwm-ws-prev)
(define-key minibuffer-inactive-mode-map [mouse-7] #'b/exwm-ws-next)

(defvar b/shifted-ws-names
  '(0 \) 1 \! 2 \@ 3 \# 4 \$
      5 \% 6 \^ 7 \& 8 \* 9 \()
  "Mapping of shifted numbers on my keyboard.")

(setq
 exwm-workspace-number 10
 exwm-input-global-keys
 `(([?\s-R] . exwm-reset)
   ;; ([?\s-b] . exwm-workspace-switch-to-buffer)
   ([?\s-/] . exwm-workspace-switch)
   ([?\s-\s] . dmenu)
   ([?\s-\\] . (lambda ()
                 (interactive)
                 (start-process-shell-command
                  "passmenu" nil "passmenu --type")))
   ([?\S-\s-\s] . (lambda (command)
                    (interactive
                     (list (read-shell-command "➜ ")))
                    (start-process-shell-command
                     command nil command)))
   ([s-return] . (lambda ()
                   (interactive)
                   (start-process "" nil "xterm")))
   ([S-s-return] . (lambda ()
                     (interactive)
                     (start-process "" nil "xterm"
                                    "-name" "floating")))
   ([?\C-\s-\s] . counsel-linux-app)
   ([?\s-h] . windmove-left)
   ([?\s-j] . windmove-down)
   ([?\s-k] . windmove-up)
   ([?\s-l] . windmove-right)
   ([?\s-H] . windmove-swap-states-left)
   ([?\s-J] . windmove-swap-states-down)
   ([?\s-K] . windmove-swap-states-up)
   ([?\s-L] . windmove-swap-states-right)
   ([?\s-N ?d] . (lambda ()
                   (interactive)
                   (start-process
                    "" nil "dunstctl" "close")))
   ([?\s-N ?D] . (lambda ()
                   (interactive)
                   (start-process
                    "" nil "dunstctl" "close-all")))
   ([?\s-N ?h] . (lambda ()
                   (interactive)
                   (start-process
                    "" nil "dunstctl" "history-pop")))
   ([?\s-N return] . (lambda ()
                       (interactive)
                       (start-process
                        "" nil "dunstctl" "context")))
   ([?\M-\s-h] . shrink-window-horizontally)
   ([?\M-\s-l] . enlarge-window-horizontally)
   ([?\M-\s-k] . shrink-window)
   ([?\M-\s-j] . enlarge-window)
   ([?\s-\[] . b/exwm-ws-prev)
   ([?\s-\]] . b/exwm-ws-next)
   ([mode-line mouse-4] . b/exwm-ws-prev) ; up
   ([mode-line mouse-5] . b/exwm-ws-next) ; down
   ([mode-line mouse-6] . b/exwm-ws-prev) ; left
   ([mode-line mouse-7] . b/exwm-ws-next) ; right
   ([?\s-{] . (lambda ()
                (interactive)
                (exwm-workspace-move-window
                 (b/exwm-ws-prev-index))))
   ([?\s-}] . (lambda ()
                (interactive)
                (exwm-workspace-move-window
                 (b/exwm-ws-next-index))))
   ,@(mapcar (lambda (i)
               `(,(kbd (format "s-%d" i)) .
                 (lambda ()
                   (interactive)
                   (exwm-workspace-switch-create ,i))))
             (number-sequence 0 (1- exwm-workspace-number)))
   ,@(mapcar
      (lambda (i)
        `(,(kbd (format "s-%s"
                        (plist-get b/shifted-ws-names i)))
          .
          (lambda ()
            (interactive)
            (exwm-workspace-move-window ,i))))
      (number-sequence 0 (1- exwm-workspace-number)))
   ([?\s-.] . exwm-floating-toggle-floating)
   ([?\s-f] . exwm-layout-toggle-fullscreen)
   ([?\s-W] . (lambda ()
                (interactive)
                (kill-buffer (current-buffer))))
   ([?\s-Q] . (lambda ()
                (interactive)
                (exwm-manage--kill-client)))
   ([?\s-\'] . (lambda ()
                 (interactive)
                 (start-process-shell-command
                  "dmneu-light" nil "dmenu-light")))
   ([?\s-\;] . (lambda ()
                 (interactive)
                 (start-process-shell-command
                  "dmneu-pamixer" nil "dmenu-pamixer")
                 (b/set-volume-level (b/get-volume-level))
                 (force-mode-line-update)))
   ([XF86AudioMute] .             ; borken on my X200 :-(
    (lambda ()
      (interactive)
      (start-process "" nil "pamixer" "--toggle-mute")
      (b/set-volume-mute (b/get-volume-mute))
      (force-mode-line-update)))
   ([\s-XF86AudioMute] .            ; toggle mic mute
    (lambda ()
      (interactive)
      (start-process
       "" nil "pamixer" "--default-source" "--toggle-mute")
      (b/set-volume-mute (b/get-volume-mute 'mic) 'mic)
      (force-mode-line-update)))
   ([XF86Launch1] .
    (lambda ()
      (interactive)
      (start-process "" nil "pamixer" "--toggle-mute")
      (b/set-volume-mute (b/get-volume-mute))
      (force-mode-line-update)))
   ([\s-XF86Launch1] .            ; toggle mic mute
    (lambda ()
      (interactive)
      (start-process
       "" nil "pamixer" "--default-source" "--toggle-mute")
      (b/set-volume-mute (b/get-volume-mute 'mic) 'mic)
      (force-mode-line-update)))
   ([XF86AudioLowerVolume] .
    (lambda ()
      (interactive)
      (start-process
       "" nil "pamixer" "--allow-boost" "--decrease" "5")
      (b/set-volume-level (b/get-volume-level))
      (force-mode-line-update)))
   ([XF86AudioRaiseVolume] .
    (lambda ()
      (interactive)
      (start-process
       "" nil "pamixer" "--allow-boost" "--increase" "5")
      (b/set-volume-level (b/get-volume-level))
      (force-mode-line-update)))
   ([\s-XF86AudioLowerVolume] .
    (lambda ()
      (interactive)
      (start-process
       "" nil "pamixer" "--default-source" "--decrease" "5")
      (b/set-volume-level (b/get-volume-level 'mic) 'mic)
      (force-mode-line-update)))
   ([\s-XF86AudioRaiseVolume] .
    (lambda ()
      (interactive)
      (start-process
       "" nil "pamixer" "--default-source" "--increase" "5")
      (b/set-volume-level (b/get-volume-level 'mic) 'mic)
      (force-mode-line-update)))
   ([XF86AudioPlay] .
    (lambda ()
      (interactive)
      (start-process "" nil "mpc" "toggle")))
   ([XF86AudioPrev] .
    (lambda ()
      (interactive)
      (start-process "" nil "mpc" "prev")))
   ([XF86AudioNext] .
    (lambda ()
      (interactive)
      (start-process "" nil "mpc" "next")))
   ([XF86MonBrightnessDown] .
    (lambda ()
      (interactive)
      (start-process "" nil "light" "-U" "5")))
   ([XF86MonBrightnessUp] .
    (lambda ()
      (interactive)
      (start-process "" nil "light" "-A" "5")))
   ([XF86ScreenSaver] .
    (lambda ()
      (interactive)
      (start-process "" nil "dm-tool" "lock")))
   ([\s-XF86Back] . previous-buffer)
   ([\s-XF86Forward] . next-buffer)))

;; Line-editing shortcuts
(setq
 exwm-input-simulation-keys
 '(;; movement
   ([?\C-b] . [left])
   ([?\M-b] . [C-left])
   ([?\C-f] . [right])
   ([?\M-f] . [C-right])
   ([?\C-p] . [up])
   ([?\C-n] . [down])
   ([?\C-a] . [home])
   ([?\C-e] . [end])
   ([?\M-v] . [prior])
   ([?\C-v] . [next])
   ([?\C-d] . [delete])
   ([?\C-k] . [S-end ?\C-x])
   ([?\M-<] . C-home)
   ([?\M->] . C-end)
   ;; cut/copy/paste
   ([?\C-w] . [?\C-x])
   ([?\M-w] . [?\C-c])
   ([?\C-y] . [?\C-v])
   ([?\M-d] . [C-S-right ?\C-x])
   ([?\M-\d] . [C-S-left ?\C-x])
   ;; window
   ([?\s-w] . [?\C-w])
   ([?\s-q] . [?\C-q])
   ;; misc
   ([?\C-s] . [?\C-f])
   ([?\s-g] . [?\C-g])
   ([?\s-s] . [?\C-s])
   ([?\C-g] . [escape])
   ([?\C-/] . [?\C-z])))

(require 'exwm-manage)
(setq
 exwm-manage-configurations
 '(((equal exwm-instance-name "floating")
    floating t
    floating-mode-line nil)))
(add-hook 'exwm-manage-finish-hook
          (lambda ()
            (when exwm-class-name
              (cond
               ((member exwm-class-name '("Abrowser" "IceCat" "Iceweasel"))
                (exwm-input-set-local-simulation-keys
                 `(,@exwm-input-simulation-keys
                   ([?\C-\S-d] . [?\C-d]))))
               ((member exwm-class-name '("XTerm" "Mate-terminal"))
                (exwm-input-set-local-simulation-keys
                 '(([?\C-c ?\C-c] . [?\C-c])
                   ([?\C-c ?\C-u] . [?\C-u]))))
               ((string= exwm-class-name "Zathura")
                (exwm-input-set-local-simulation-keys
                 '(([?\C-p] . [C-up])
                   ([?\C-n] . [C-down]))))))))

(require 'exwm-randr)
(setq
 exwm-randr-workspace-monitor-plist
 '(0 "eDP-1"
     1 "eDP-1" 2 "eDP-1" 3 "eDP-1"
     4 "eDP-1" 5 "eDP-1" 6 "eDP-1"
     7 "HDMI-1" 8 "HDMI-1" 9 "HDMI-1"))
;; (add-hook
;;  'exwm-randr-screen-change-hook
;;  (lambda ()
;;    (start-process-shell-command
;;     "xrandr" nil
;;     "xrandr --output HDMI-1 --mode 1280x720 --above eDP-1 --auto")))
(exwm-randr-enable)

(require 'exwm-systemtray)
(exwm-systemtray-enable)

(add-to-list 'load-path (b/lisp "exwm-edit"))
(require 'exwm-edit)

(with-eval-after-load 'exwm-workspace
  (setq exwm-workspace-show-all-buffers t)
  (setq-default
   mode-line-format
   (append
    mode-line-format
    '((:eval
       (format
        " [%s]" (number-to-string
                 exwm-workspace-current-index)))))))

(with-eval-after-load 'exwm-layout
  (setq exwm-layout-show-all-buffers t))

(provide 'bandali-exwm)
;;; bandali-exwm.el ends here