tvl-depot/exwm-workspace.el

;;; exwm-workspace.el --- Workspace Module for EXWM  -*- lexical-binding: t -*-

;; Copyright (C) 2015-2016 Free Software Foundation, Inc.

;; Author: Chris Feng <chris.w.feng@gmail.com>

;; This file is part of GNU Emacs.

;; GNU Emacs 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.

;; GNU Emacs 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 GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; This module adds workspace support for EXWM.

;; Todo:
;; + Add system tray support.

;;; Code:

(require 'exwm-core)

(defvar exwm-workspace-number 4 "Number of workspaces (1 ~ 10).")
(defvar exwm-workspace--list nil "List of all workspaces (Emacs frames).")
(defvar exwm-workspace--switch-map
  (let ((map (make-sparse-keymap)))
    (define-key map [t] (lambda () (interactive)))
    (dotimes (i 10)
      (define-key map (int-to-string i)
        `(lambda ()
           (interactive)
           (when (< ,i exwm-workspace-number)
             (goto-history-element ,(1+ i))
             (exit-minibuffer)))))
    (define-key map "\C-a" (lambda () (interactive) (goto-history-element 1)))
    (define-key map "\C-e" (lambda ()
                             (interactive)
                             (goto-history-element exwm-workspace-number)))
    (define-key map "\C-g" #'abort-recursive-edit)
    (define-key map "\C-]" #'abort-recursive-edit)
    (define-key map "\C-j" #'exit-minibuffer)
    ;; (define-key map "\C-m" #'exit-minibuffer) ;not working
    (define-key map [return] #'exit-minibuffer)
    (define-key map " " #'exit-minibuffer)
    (define-key map "\C-f" #'previous-history-element)
    (define-key map "\C-b" #'next-history-element)
    ;; Alternative keys
    (define-key map [right] #'previous-history-element)
    (define-key map [left] #'next-history-element)
    map)
  "Keymap used for interactively switch workspace.")

(defvar exwm-workspace--switch-history nil
  "History for `read-from-minibuffer' to interactively switch workspace.")
(defvar exwm-workspace--switch-history-outdated nil
  "Non-nil to indicate `exwm-workspace--switch-history' is outdated.")

;;;###autoload
(defun exwm-workspace--update-switch-history ()
  "Update the history for switching workspace to reflect the latest status."
  (when exwm-workspace--switch-history-outdated
    (setq exwm-workspace--switch-history-outdated nil)
    (let ((sequence (number-sequence 0 (1- exwm-workspace-number)))
          (not-empty (make-vector exwm-workspace-number nil)))
      (dolist (i exwm--id-buffer-alist)
        (with-current-buffer (cdr i)
          (when exwm--frame
            (setf (aref not-empty
                        (cl-position exwm--frame exwm-workspace--list))
                  t))))
      (setq exwm-workspace--switch-history
            (mapcar
             (lambda (i)
               (mapconcat
                (lambda (j)
                  (format (if (= i j) "[%s]" " %s ")
                          (propertize
                           (int-to-string j)
                           'face
                           (cond ((frame-parameter (elt exwm-workspace--list j)
                                                   'exwm--urgency)
                                  '(:foreground "orange"))
                                 ((aref not-empty j) '(:foreground "green"))
                                 (t nil)))))
                sequence ""))
             sequence)))))

(defvar exwm-workspace--current nil "Current active workspace.")
(defvar exwm-workspace-current-index 0 "Index of current active workspace.")
(defvar exwm-workspace-show-all-buffers nil
  "Non-nil to show buffers on other workspaces.")
(defvar exwm-workspace--minibuffer nil
  "The minibuffer frame shared among all frames.")
(defvar exwm-workspace-minibuffer-position nil
  "Position of the minibuffer frame.

Value nil means to use the default position which is fixed at bottom, while
'top and 'bottom mean to use an auto-hiding minibuffer.")
(defvar exwm-workspace-display-echo-area-timeout 1
  "Timeout for displaying echo area.")
(defvar exwm-workspace--display-echo-area-timer nil
  "Timer for auto-hiding echo area.")

;;;###autoload
(defun exwm-workspace-switch (index &optional force)
  "Switch to workspace INDEX. Query for INDEX if it's not specified.

The optional FORCE option is for internal use only."
  (interactive
   (list
    (unless (and (eq major-mode 'exwm-mode) exwm--fullscreen) ;it's invisible
      (exwm-workspace--update-switch-history)
      (let* ((history-add-new-input nil) ;prevent modifying history
             (idx (read-from-minibuffer
                   "Workspace: " (elt exwm-workspace--switch-history
                                      exwm-workspace-current-index)
                   exwm-workspace--switch-map nil
                   `(exwm-workspace--switch-history
                     . ,(1+ exwm-workspace-current-index)))))
        (cl-position idx exwm-workspace--switch-history :test #'equal)))))
  (when index
    (unless (and (<= 0 index) (< index exwm-workspace-number))
      (user-error "[EXWM] Workspace index out of range: %d" index))
    (when (or force (/= exwm-workspace-current-index index))
      (let* ((frame (elt exwm-workspace--list index))
             (workspace (frame-parameter frame 'exwm-workspace)))
        (xcb:+request exwm--connection
            (make-instance 'xcb:ConfigureWindow
                           :window workspace
                           :value-mask xcb:ConfigWindow:StackMode
                           :stack-mode xcb:StackMode:Above))
        (setq exwm-workspace--current frame
              exwm-workspace-current-index index)
        (select-window (frame-selected-window frame))
        ;; Close the (possible) active minibuffer
        (when (active-minibuffer-window)
          (run-with-idle-timer 0 nil (lambda () (abort-recursive-edit))))
        (if (not (memq exwm-workspace-minibuffer-position '(top bottom)))
            (setq default-minibuffer-frame frame)
          ;; Resize/reposition the minibuffer frame
          (let ((x 0)
                (y (if (eq exwm-workspace-minibuffer-position 'top)
                       0
                     (- (frame-pixel-height frame)
                        (frame-pixel-height exwm-workspace--minibuffer))))
                (width (x-display-pixel-width))
                (container (frame-parameter exwm-workspace--minibuffer
                                            'exwm-container)))
            (xcb:+request exwm--connection
                (make-instance 'xcb:ReparentWindow
                               :window container
                               :parent (frame-parameter frame 'exwm-workspace)
                               :x x :y y))
            (xcb:+request exwm--connection
                (make-instance 'xcb:ConfigureWindow
                               :window container
                               :value-mask (logior xcb:ConfigWindow:Width
                                                   xcb:ConfigWindow:StackMode)
                               :width width
                               :stack-mode xcb:StackMode:Above))
            (set-frame-width exwm-workspace--minibuffer width nil t)))
        ;; Hide windows in other workspaces by preprending a space
        (unless exwm-workspace-show-all-buffers
          (dolist (i exwm--id-buffer-alist)
            (with-current-buffer (cdr i)
              (let ((name (replace-regexp-in-string "^\\s-*" ""
                                                    (buffer-name))))
                (exwm-workspace-rename-buffer (if (eq frame exwm--frame)
                                                  name
                                                (concat " " name)))))))
        ;; Update demands attention flag
        (set-frame-parameter frame 'exwm--urgency nil)
        ;; Update switch workspace history
        (setq exwm-workspace--switch-history-outdated t)
        ;; Update _NET_CURRENT_DESKTOP
        (xcb:+request exwm--connection
            (make-instance 'xcb:ewmh:set-_NET_CURRENT_DESKTOP
                           :window exwm--root :data index))
        (xcb:flush exwm--connection)))))

;;;###autoload
(defun exwm-workspace-move-window (index &optional id)
  "Move window ID to workspace INDEX."
  (interactive
   (list
    (progn
      (exwm-workspace--update-switch-history)
      (let* ((history-add-new-input nil)  ;prevent modifying history
             (idx (read-from-minibuffer
                   "Workspace: " (elt exwm-workspace--switch-history
                                      exwm-workspace-current-index)
                   exwm-workspace--switch-map nil
                   `(exwm-workspace--switch-history
                     . ,(1+ exwm-workspace-current-index)))))
        (cl-position idx exwm-workspace--switch-history :test #'equal)))))
  (unless id (setq id (exwm--buffer->id (window-buffer))))
  (unless (and (<= 0 index) (< index exwm-workspace-number))
    (user-error "[EXWM] Workspace index out of range: %d" index))
  (with-current-buffer (exwm--id->buffer id)
    (let ((frame (elt exwm-workspace--list index)))
      (unless (eq exwm--frame frame)
        (unless exwm-workspace-show-all-buffers
          (let ((name (replace-regexp-in-string "^\\s-*" "" (buffer-name))))
            (exwm-workspace-rename-buffer
             (if (= index exwm-workspace-current-index)
                 name
               (concat " " name)))))
        (setq exwm--frame frame)
        (if exwm--floating-frame
            ;; Move the floating frame is enough
            (progn
              (xcb:+request exwm--connection
                  (make-instance 'xcb:ReparentWindow
                                 :window exwm--container
                                 :parent
                                 (frame-parameter frame 'exwm-workspace)
                                 :x 0 :y 0))
              (xcb:flush exwm--connection))
          ;; Move the window itself
          (if (/= index exwm-workspace-current-index)
              (bury-buffer)
            (set-window-buffer (get-buffer-window (current-buffer) t)
                               (or (get-buffer "*scratch*")
                                   (progn
                                     (set-buffer-major-mode
                                      (get-buffer-create "*scratch*"))
                                     (get-buffer "*scratch*")))))
          (exwm-layout--hide id)
          (xcb:+request exwm--connection
              (make-instance 'xcb:ReparentWindow
                             ;; (current-buffer) is changed.
                             :window (with-current-buffer (exwm--id->buffer id)
                                       exwm--container)
                             :parent (frame-parameter frame 'exwm-workspace)
                             :x 0 :y 0))
          (xcb:flush exwm--connection)
          (set-window-buffer (frame-selected-window frame)
                             (exwm--id->buffer id)))))
    (setq exwm-workspace--switch-history-outdated t)))

(defun exwm-workspace-switch-to-buffer ()
  "Make the current Emacs window display another buffer."
  (interactive)
  ;; Show all buffers
  (unless exwm-workspace-show-all-buffers
    (dolist (pair exwm--id-buffer-alist)
      (with-current-buffer (cdr pair)
        (when (= ?\s (aref (buffer-name) 0))
          (rename-buffer (substring (buffer-name) 1))))))
  (let ((buffer (read-buffer "Switch to buffer: " nil t)))
    (when buffer
      (with-current-buffer buffer
        (if (and (eq major-mode 'exwm-mode)
                 (not (eq exwm--frame exwm-workspace--current)))
            (exwm-workspace-move-window exwm-workspace-current-index
                                        exwm--id)
          (switch-to-buffer buffer)))))
  ;; Hide buffers on other workspaces
  (unless exwm-workspace-show-all-buffers
    (dolist (pair exwm--id-buffer-alist)
      (with-current-buffer (cdr pair)
        (unless (or (eq exwm--frame exwm-workspace--current)
                    (= ?\s (aref (buffer-name) 0)))
          (rename-buffer (concat " " (buffer-name))))))))

(defun exwm-workspace-rename-buffer (newname)
  "Rename a buffer."
  (let ((hidden (= ?\s (aref newname 0)))
        (basename (replace-regexp-in-string "<[0-9]+>$" "" newname))
        (counter 1)
        tmp)
    (when hidden (setq basename (substring basename 1)))
    (setq newname basename)
    (while (and (setq tmp (or (get-buffer newname)
                              (get-buffer (concat " " newname))))
                (not (eq tmp (current-buffer))))
      (setq newname (format "%s<%d>" basename (cl-incf counter))))
    (rename-buffer (concat (and hidden " ") newname))))

(defun exwm-workspace--x-create-frame (orig-fun params)
  "Set override-redirect on the frame created by `x-create-frame'."
  (let ((frame (funcall orig-fun params)))
    (xcb:+request exwm--connection
        (make-instance 'xcb:ChangeWindowAttributes
                       :window (string-to-number
                                (frame-parameter frame 'outer-window-id))
                       :value-mask xcb:CW:OverrideRedirect
                       :override-redirect 1))
    (xcb:flush exwm--connection)
    frame))

(defun exwm-workspace--update-minibuffer (&optional echo-area)
  "Update the minibuffer frame."
  (let ((height
         (with-current-buffer
             (window-buffer (minibuffer-window exwm-workspace--minibuffer))
           (max 1
                (if echo-area
                    (let ((width (frame-width exwm-workspace--minibuffer))
                          (result 0))
                      (mapc (lambda (i)
                              (setq result
                                    (+ result
                                       (ceiling (1+ (length i)) width))))
                            (split-string (current-message) "\n"))
                      result)
                  (count-screen-lines))))))
    (when (and (integerp max-mini-window-height)
               (> height max-mini-window-height))
      (setq height max-mini-window-height))
    (set-frame-height exwm-workspace--minibuffer height)))

(defun exwm-workspace--on-ConfigureNotify (data _synthetic)
  "Adjust the container to fit the minibuffer frame."
  (let ((obj (make-instance 'xcb:ConfigureNotify))
        value-mask y)
    (xcb:unmarshal obj data)
    (with-slots (window height) obj
      (when (eq (frame-parameter exwm-workspace--minibuffer 'exwm-outer-id)
                window)
        (when (and (floatp max-mini-window-height)
                   (> height (* max-mini-window-height
                                (frame-pixel-height exwm-workspace--current))))
          (setq height (floor
                        (* max-mini-window-height
                           (frame-pixel-height exwm-workspace--current))))
          (xcb:+request exwm--connection
              (make-instance 'xcb:ConfigureWindow
                             :window window
                             :value-mask xcb:ConfigWindow:Height
                             :height height)))
        (if (eq exwm-workspace-minibuffer-position 'top)
            (setq value-mask xcb:ConfigWindow:Height
                  y 0)
          (setq value-mask (logior xcb:ConfigWindow:Y xcb:ConfigWindow:Height)
                y (- (frame-pixel-height exwm-workspace--current) height)))
        (xcb:+request exwm--connection
            (make-instance 'xcb:ConfigureWindow
                           :window (frame-parameter exwm-workspace--minibuffer
                                                    'exwm-container)
                           :value-mask value-mask
                           :y y
                           :height height))
        (xcb:flush exwm--connection)))))

(defun exwm-workspace--display-buffer (buffer alist)
  "Display buffer in the current workspace frame.

This functions is modified from `display-buffer-reuse-window' and
`display-buffer-pop-up-window'."
  (when (eq (selected-frame) exwm-workspace--minibuffer)
    (setq buffer (get-buffer buffer))   ;convert string to buffer.
    (let (window)
      (if (setq window (get-buffer-window buffer exwm-workspace--current))
          (window--display-buffer buffer window 'reuse alist)
        (when (setq window (or (window--try-to-split-window
                                (get-largest-window exwm-workspace--current t)
                                alist)
                               (window--try-to-split-window
                                (get-lru-window exwm-workspace--current t)
                                alist)))
          (window--display-buffer
           buffer window 'window alist display-buffer-mark-dedicated))))))

(defun exwm-workspace--show-minibuffer ()
  "Show the minibuffer frame."
  ;; Cancel pending timer.
  (when exwm-workspace--display-echo-area-timer
    (cancel-timer exwm-workspace--display-echo-area-timer)
    (setq exwm-workspace--display-echo-area-timer nil))
  ;; Show the minibuffer frame.
  (xcb:+request exwm--connection
      (make-instance 'xcb:MapWindow
                     :window (frame-parameter exwm-workspace--minibuffer
                                              'exwm-container)))
  (xcb:flush exwm--connection)
  ;; Unfortunately we need the following lines to workaround a cursor
  ;; flickering issue for line-mode floating X windows.  They just make the
  ;; minibuffer appear to be focused.
  (with-current-buffer (window-buffer (minibuffer-window
                                       exwm-workspace--minibuffer))
    (setq cursor-in-non-selected-windows
          (frame-parameter exwm-workspace--minibuffer 'cursor-type))))

(defun exwm-workspace--hide-minibuffer ()
  "Hide the minibuffer frame."
  ;; Hide the minibuffer frame.
  (xcb:+request exwm--connection
      (make-instance 'xcb:UnmapWindow
                     :window (frame-parameter exwm-workspace--minibuffer
                                              'exwm-container)))
  (xcb:flush exwm--connection))

(defun exwm-workspace--on-minibuffer-setup ()
  "Run in minibuffer-setup-hook to show the minibuffer and its container."
  (unless (> -1 (minibuffer-depth))
    (add-hook 'post-command-hook #'exwm-workspace--update-minibuffer)
    (exwm-workspace--show-minibuffer)
    ;; Set input focus on the Emacs frame
    (x-focus-frame (window-frame (minibuffer-selected-window)))))

(defun exwm-workspace--on-minibuffer-exit ()
  "Run in minibuffer-exit-hook to hide the minibuffer container."
  (unless (> -1 (minibuffer-depth))
    (remove-hook 'post-command-hook #'exwm-workspace--update-minibuffer)
    (exwm-workspace--hide-minibuffer)))

(defvar exwm-input--during-command)

(defun exwm-workspace--on-echo-area-dirty ()
  "Run when new message arrives to show the echo area and its container."
  (when (and (not (active-minibuffer-window))
             (or (current-message)
                 cursor-in-echo-area))
    (exwm-workspace--update-minibuffer t)
    (exwm-workspace--show-minibuffer)
    (unless (or (not exwm-workspace-display-echo-area-timeout)
                exwm-input--during-command ;e.g. read-event
                input-method-use-echo-area)
      (setq exwm-workspace--display-echo-area-timer
            (run-with-timer exwm-workspace-display-echo-area-timeout nil
                            #'exwm-workspace--on-echo-area-clear)))))

(defun exwm-workspace--on-echo-area-clear ()
  "Run in echo-area-clear-hook to hide echo area container."
  (unless (active-minibuffer-window)
    (exwm-workspace--hide-minibuffer))
  (when exwm-workspace--display-echo-area-timer
    (cancel-timer exwm-workspace--display-echo-area-timer)
    (setq exwm-workspace--display-echo-area-timer nil)))

(defun exwm-workspace--init ()
  "Initialize workspace module."
  (cl-assert (and (< 0 exwm-workspace-number) (>= 10 exwm-workspace-number)))
  ;; Prevent unexpected exit
  (setq confirm-kill-emacs
        (lambda (prompt)
          (pcase (length exwm--id-buffer-alist)
            (0 (y-or-n-p prompt))
            (x (yes-or-no-p (format "[EXWM] %d window%s currently alive. %s"
                                    x (if (= x 1) "" "s") prompt))))))
  (if (not (memq exwm-workspace-minibuffer-position '(top bottom)))
      ;; Initialize workspaces with minibuffers.
      (progn
        (setq exwm-workspace--list (frame-list))
        (when (< 1 (length exwm-workspace--list))
          ;; Emacs client creates an extra (but unusable) frame.
          (dolist (i exwm-workspace--list)
            (unless (frame-parameter i 'window-id)
              (setq exwm-workspace--list (delq i exwm-workspace--list))))
          (cl-assert (= 1 (length exwm-workspace--list)))
          ;; Prevent user from deleting this frame by accident.
          (set-frame-parameter (car exwm-workspace--list) 'client nil))
        ;; Create remaining frames.
        (dotimes (_ (1- exwm-workspace-number))
          (nconc exwm-workspace--list
                 (list (make-frame '((window-system . x)))))))
    ;; Initialize workspaces without minibuffers.
    (let ((old-frames (frame-list)))
      (setq exwm-workspace--minibuffer
            (make-frame '((window-system . x) (minibuffer . only)
                          (left . 10000) (right . 10000)
                          (width . 0) (height . 0)))
            default-minibuffer-frame exwm-workspace--minibuffer)
      ;; Remove/hide existing frames.
      (dolist (f old-frames)
        (if (frame-parameter f 'client)
            (make-frame-invisible f)
          (delete-frame f))))
    (let ((outer-id (string-to-number
                     (frame-parameter exwm-workspace--minibuffer
                                      'outer-window-id)))
          (container (xcb:generate-id exwm--connection)))
      (set-frame-parameter exwm-workspace--minibuffer 'exwm-outer-id outer-id)
      (set-frame-parameter exwm-workspace--minibuffer 'exwm-container
                           container)
      (xcb:+request exwm--connection
          (make-instance 'xcb:CreateWindow
                         :depth 0 :wid container :parent exwm--root
                         :x -1 :y -1 :width 1 :height 1
                         :border-width 0 :class xcb:WindowClass:CopyFromParent
                         :visual 0        ;CopyFromParent
                         :value-mask xcb:CW:OverrideRedirect
                         :override-redirect 1))
      (exwm--debug
       (xcb:+request exwm--connection
           (make-instance 'xcb:ewmh:set-_NET_WM_NAME
                          :window container
                          :data "Minibuffer container")))
      (xcb:+request exwm--connection
          (make-instance 'xcb:ReparentWindow
                         :window outer-id :parent container :x 0 :y 0))
      ;; Attach event listener for monitoring the frame
      (xcb:+request exwm--connection
          (make-instance 'xcb:ChangeWindowAttributes
                         :window outer-id
                         :value-mask xcb:CW:EventMask
                         :event-mask xcb:EventMask:StructureNotify))
      (xcb:+event exwm--connection 'xcb:ConfigureNotify
                  #'exwm-workspace--on-ConfigureNotify))
    ;; Show/hide minibuffer / echo area when they're active/inactive.
    (add-hook 'minibuffer-setup-hook #'exwm-workspace--on-minibuffer-setup)
    (add-hook 'minibuffer-exit-hook #'exwm-workspace--on-minibuffer-exit)
    (run-with-idle-timer 0 t #'exwm-workspace--on-echo-area-dirty)
    (add-hook 'echo-area-clear-hook #'exwm-workspace--on-echo-area-clear)
    ;; Create workspace frames.
    (dotimes (_ exwm-workspace-number)
      (push (make-frame `((window-system . x)
                          (minibuffer . ,(minibuffer-window
                                          exwm-workspace--minibuffer))))
            exwm-workspace--list))
    ;; The default behavior of `display-buffer' (indirectly called by
    ;; `minibuffer-completion-help') is not correct here.
    (cl-pushnew '(exwm-workspace--display-buffer) display-buffer-alist))
  ;; Configure workspaces
  (dolist (i exwm-workspace--list)
    (let ((outer-id (string-to-number (frame-parameter i 'outer-window-id)))
          (workspace (xcb:generate-id exwm--connection)))
      ;; Save window IDs
      (set-frame-parameter i 'exwm-outer-id outer-id)
      (set-frame-parameter i 'exwm-workspace workspace)
      (xcb:+request exwm--connection
          (make-instance 'xcb:CreateWindow
                         :depth 0 :wid workspace :parent exwm--root
                         :x 0 :y 0
                         :width (x-display-pixel-width)
                         :height (x-display-pixel-height)
                         :border-width 0 :class xcb:WindowClass:CopyFromParent
                         :visual 0      ;CopyFromParent
                         :value-mask (logior xcb:CW:OverrideRedirect
                                             xcb:CW:EventMask)
                         :override-redirect 1
                         :event-mask xcb:EventMask:SubstructureRedirect))
      (exwm--debug
       (xcb:+request exwm--connection
           (make-instance 'xcb:ewmh:set-_NET_WM_NAME
                          :window workspace
                          :data
                          (format "EXWM workspace %d"
                                  (cl-position i exwm-workspace--list)))))
      (xcb:+request exwm--connection
          (make-instance 'xcb:ReparentWindow
                         :window outer-id :parent workspace :x 0 :y 0))
      (xcb:+request exwm--connection
          (make-instance 'xcb:MapWindow :window workspace))))
  (xcb:flush exwm--connection)
  ;; We have to advice `x-create-frame' or every call to it would hang EXWM
  (advice-add 'x-create-frame :around #'exwm-workspace--x-create-frame)
  ;; Delay making the workspaces fullscreen until Emacs becomes idle
  (run-with-idle-timer 0 nil
                       (lambda ()
                         (dolist (i exwm-workspace--list)
                           (set-frame-parameter i 'fullscreen 'fullboth))))
  ;; Set _NET_VIRTUAL_ROOTS
  (xcb:+request exwm--connection
      (make-instance 'xcb:ewmh:set-_NET_VIRTUAL_ROOTS
                     :window exwm--root
                     :data (vconcat (mapcar
                                     (lambda (i)
                                       (frame-parameter i 'exwm-workspace))
                                     exwm-workspace--list))))
  ;; Switch to the first workspace
  (exwm-workspace-switch 0 t))



(provide 'exwm-workspace)

;;; exwm-workspace.el ends here