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

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

;; Copyright (C) 2018-2020  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:

(use-package exwm
  :if b/exwm-p
  :demand
  :config
  ;; 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)
  :hook ((exwm-update-class . b/exwm-rename-buffer)
         (exwm-update-title . b/exwm-rename-buffer)))

(use-package exwm-config
  :demand
  :after exwm
  :hook (exwm-init . exwm-config--fix/ido-buffer-window-other-frame))

(use-package exwm-input
  :demand
  :after exwm
  :config
  (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)))

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

  (setq exwm-workspace-number 4
        exwm-input-global-keys
        `(([?\s-R] . exwm-reset)
          ([?\s-\\] . exwm-workspace-switch)
          ([?\s-\s] . dmenu)
          ([?\S-\s-\s] . (lambda (command)
                              (interactive
                               (list (read-shell-command "➜ ")))
                              (start-process-shell-command
                               command nil command)))
          ([s-return] . (lambda ()
                          (interactive)
                          (start-process "" nil "urxvt")))
          ([?\C-\s-\s] . counsel-linux-app)
          ([?\M-\s-\s] . (lambda ()
                           (interactive)
                           (start-process-shell-command
                            "rofi-pass" nil "rofi-pass")))
          ([?\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)
          ([?\M-\s-h] . shrink-window-horizontally)
          ([?\M-\s-l] . enlarge-window-horizontally)
          ([?\M-\s-k] . shrink-window)
          ([?\M-\s-j] . enlarge-window)
          ([?\s-\[] . (lambda ()
                        (interactive)
                        (exwm-workspace-switch-create
                         (b/exwm-ws-prev-index))))
          ([?\s-\]] . (lambda ()
                        (interactive)
                        (exwm-workspace-switch-create
                         (b/exwm-ws-next-index))))
          ([?\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)))
          ([?\s-t] . 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
                         "rofi-light" nil "rofi-light")))
          ([XF86AudioMute] .
           (lambda ()
             (interactive)
             (start-process "" nil "amixer" "set" "'Master',0" "toggle")))
          ([XF86AudioLowerVolume] .
           (lambda ()
             (interactive)
             (start-process
              "" nil "amixer" "set" "'Master',0" "5%-")))
          ([XF86AudioRaiseVolume] .
           (lambda ()
             (interactive)
             (start-process
              "" nil "amixer" "set" "'Master',0" "5%+")))
          ([XF86AudioPlay] .
           (lambda ()
             (interactive)
             (start-process "" nil "mpc" "toggle")))
          ([XF86AudioPrev] .
           (lambda ()
             (interactive)
             (start-process "" nil "mpc" "prev")))
          ([XF86AudioNext] .
           (lambda ()
             (interactive)
             (start-process "" nil "mpc" "next")))
          ([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-s] . [?\C-s])
      ([?\C-g] . [escape]))))

(use-package exwm-manage
  :demand
  :after exwm
  :hook
  (exwm-manage-finish . (lambda ()
                          (when exwm-class-name
                            (cond
                             ((string= exwm-class-name "IceCat")
                              (exwm-input-set-local-simulation-keys
                               `(,@exwm-input-simulation-keys
                                 ([?\C-\S-d] . [?\C-d]))))
                             ((string= exwm-class-name "URxvt")
                              (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])))))))))

(use-package exwm-randr
  :demand
  :after exwm
  :config
  (exwm-randr-enable)
  :custom
  (exwm-randr-workspace-monitor-plist '(1 "VGA-1")))

(use-package exwm-systemtray
  :demand
  :after exwm
  :config
  (exwm-systemtray-enable))

(use-package exwm-workspace)

(use-package exwm-edit
  :demand
  :after exwm)

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