using new user-lisp-dir for library files

1 files changed, 760 insertions, 0 deletions

diff --git a/attic/elisp/book-mode.el b/attic/elisp/book-mode.el
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+;;; book-mode.el --- Book mode -*- lexical-binding: t -*-
+
+;; Copyright (C) 2022 Nicolas P. Rougier
+
+;; Maintainer: Nicolas P. Rougier <Nicolas.Rougier@inria.fr>
+;; URL: https://github.com/rougier/book-mode
+;; Version: 0.1.0
+;; Package-Requires: ((emacs "27.1") (nano-theme))
+;; Keywords: convenience, mode-line, header-line
+
+;; This file is not part of GNU Emacs.
+
+;; This file 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, or (at your option)
+;; any later version.
+
+;; This file 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.
+
+;; For a full copy of the GNU General Public License
+;; see <https://www.gnu.org/licenses/>.
+
+
+;;; Code:
+(require 'seq)
+(require 'nano-theme)
+;; (require 'nano-command)
+
+(defgroup book-mode nil
+  "Book mode"
+  :group 'convenience)
+
+(defcustom book-mode-left-margin 8
+  "Left margin size, measured in characters"
+  :type 'int
+  :group 'book-mode)
+
+(defcustom book-mode-right-margin 6
+  "Right margin size, measured in characters"
+  :type 'int
+  :group 'book-mode)
+
+(defcustom book-mode-top-margin 2.25
+  "Top margin size, measured in characters"
+  :type 'float
+  :group 'book-mode)
+
+(defcustom book-mode-top-padding 0.25
+  "Bottom margin size, measured in characters"
+  :type 'float
+  :group 'book-mode)
+
+(defcustom book-mode-bottom-margin 1.45
+  "Bottom margin size, measured in characters"
+  :type 'float
+  :group 'book-mode)
+
+(defcustom book-mode-bottom-padding 0.00
+  "Bottom margin size, measured in characters"
+  :type 'float
+  :group 'book-mode)
+
+(defcustom book-mode-frame-size '(81 . 51)
+  "Frame size"
+  :type '(cons (integer :tag "width")
+               (integer :tag "height"))
+  :group 'book-mode)
+
+(defcustom book-mode-frame-border-color nano-dark-background
+  "Frame border color"
+  :type 'color
+  :group 'book-mode)
+
+(defcustom book-mode-hl-line-extend t
+  "Whether to extend hl-line to margins"
+  :type 'boolean
+  :group 'book-mode)
+
+
+(defun book-mode--log (format-string &rest args)
+  "Log a message into the *Messages* buffer if message-log-max is
+non-nil. Return the message."
+
+  (with-current-buffer (get-buffer-create "*Messages*")
+    (let ((inhibit-read-only t)
+          (msg (apply 'format-message format-string args)))
+      (when (and msg message-log-max)
+        (goto-char (point-max))
+        (insert (concat "\n" msg)))
+      msg)))
+
+
+(defun book-mode--message (&rest args)
+  "Message function advice that override the message function and
+saves the message in a buffer local variable."
+
+  ;; Log message
+  (when (car args)
+    (apply #'book-mode--log args))
+
+  ;; Save message in buffer local book-mode--last-message variable
+  ;; and register a timer to clear it after a delay.
+  (let* ((msg (if (and (car args) (stringp (car args)))
+                  (apply 'format-message args)))
+         (msg (if (stringp msg)
+                  (replace-regexp-in-string "%" "%%" msg))))
+    (setq book-mode--last-message (or msg ""))
+    (when (and (boundp 'book-mode--message-timer) book-mode--message-timer)
+      (cancel-timer book-mode--message-timer))
+    (unless isearch-mode
+      (setq book-mode--message-timer
+            ;; (run-at-time minibuffer-message-timeout nil
+            ;;               #'book-mode--message-clear))
+            (run-at-time 2.0 nil #'book-mode--message-clear)))
+    (force-mode-line-update)))
+
+
+(defun book-mode--message-cancel-clear ()
+  (when (and (boundp 'book-mode--message-timer) book-mode--message-timer)
+    (cancel-timer book-mode--message-timer)))
+
+
+(defun book-mode--message-clear ()
+  "Clear last message"
+
+  (setq book-mode--last-message nil)
+  (force-mode-line-update))
+
+
+(defun book-mode--command-error-function (data context caller)
+  "This command-error function intercepts some message from the C API."
+
+  (if (not (memq (car data) '(buffer-read-only
+                              text-read-only
+                              beginning-of-buffer
+                              end-of-buffer
+                              quit)))
+      (command-error-default-function data context caller)
+    (book-mode--message (format "%s" data))))
+
+
+(defun book-mode--header (&rest args)
+  ""
+  (apply #'book-mode--build
+         (nconc `(:overline nil
+                            :underline ,(face-foreground 'default)
+                            :margin ,(or (plist-get args ':margin)
+                                         (- book-mode-top-margin))
+                            :padding ,(or (plist-get args ':padding)
+                                          (- book-mode-top-padding)))
+                args)))
+
+
+(defun book-mode--footer (&rest args)
+  ""
+  (apply #'book-mode--build
+         (nconc `(:overline ,(face-foreground 'default)
+                            :underline nil
+                            :margin ,(or (plist-get args ':margin)
+                                         book-mode-bottom-margin)
+                            :padding ,(or (plist-get args ':padding)
+                                          book-mode-bottom-padding))
+                args)))
+
+
+;; ----------------------------------------------------------------------------
+(defun book-mode--build (&rest args)
+  ""
+
+  (let* ((overline (or (plist-get args ':overline) nil))
+         (underline (or (plist-get args ':underline) nil))
+         (left (or (plist-get args ':left) #'book-mode-element-empty))
+         (right (or (plist-get args ':right) #'book-mode-element-empty))
+         (center (or (plist-get args ':center) #'book-mode-element-empty))
+         (prefix (or (plist-get args ':prefix) #'book-mode-element-empty))
+         (suffix (or (plist-get args ':suffix) #'book-mode-element-empty))
+         (margin  (or (plist-get args ':margin) 0.0))
+         (padding (or (plist-get args ':padding) 0.0)))
+
+    `(:eval
+      (let* ((left (if (stringp (quote ,left))
+                       ,left
+                     (funcall (quote ,left))))
+             (right  (if (stringp (quote ,right))
+                         ,right
+                       (funcall (quote ,right))))
+             (prefix (if (stringp (quote ,prefix))
+                         ,prefix
+                       (funcall (quote ,prefix))))
+             (suffix  (if (stringp (quote ,suffix))
+                          ,suffix
+                        (funcall (quote ,suffix))))
+             (overline ,overline)
+             (underline ,underline)
+             (width (window-width))
+             (margin ,margin)
+             (padding ,padding)
+             (left-margin (or (car (window-margins)) 0))
+             (right-margin (or (cdr (window-margins)) 0))
+             (left (truncate-string-to-width left (- width (length right) 1) nil nil "…"))
+             (prefix-filler (make-string (max 0 (- left-margin (length prefix))) 32))
+             (suffix-filler (make-string (max 0 (- right-margin (length suffix))) 32)))
+
+        (add-face-text-property 0 (length left)
+                                `(:underline ,underline :overline ,overline) nil left)
+        (add-face-text-property 0 (length right)
+                                `(:underline ,underline :overline ,overline) nil right)
+
+        (concat
+         (propertize prefix-filler  'display `(raise ,(+ margin padding)))
+         (propertize prefix 'display `((raise ,margin)
+                                       ,(get-text-property 0 'display prefix)))
+         (propertize left 'display `((raise ,margin)
+                                     ,(get-text-property 0 'display left)))
+         (propertize " " 'display `((raise ,(+ margin))
+                                    (space :align-to (- right ,(length right) 0)))
+                     'face `(:box nil :underline ,underline :overline ,overline))
+         (propertize right 'display `((raise ,margin)
+                                      ,(get-text-property 0 'display right)))
+         (propertize suffix 'display `((raise ,margin)
+                                       ,(get-text-property 0 'display suffix)))
+
+         (propertize suffix-filler 'display `(raise ,(+ margin padding))))))))
+
+
+(defun book-mode-element-frame-count ()
+  (let* ((frames (seq-filter  (lambda (frame)
+                                (not (frame-parent frame)))
+                              (frame-list)))
+         (index (length (member (selected-frame) frames))))
+    (propertize (format " %d "index)
+                'face `(:inherit (nano-subtle nano-strong)
+                                 :foreground ,(face-foreground 'nano-default)))))
+
+(defun book-mode-element-frame-count-icon (&optional icon)
+  "Prefix element displaying frame count and an icon."
+
+  (concat
+   (book-mode-element-frame-count)
+   "   "
+   (cond (icon
+          (propertize (format "%s " icon) 'face 'nano-default))
+         ((or (derived-mode-p 'elfeed-show-mode)
+              (derived-mode-p 'elfeed-search-mode))
+          (propertize " " 'face 'nano-default))
+         ((derived-mode-p 'org-agenda-mode)
+          (propertize " " 'face 'nano-default))
+         ((derived-mode-p 'mastodon-mode)
+          (propertize " " 'face 'nano-default))
+         ((derived-mode-p 'mu4e-headers-mode)
+          (propertize " " 'face 'nano-default))
+         ((derived-mode-p 'mu4e-view-mode)
+          (propertize " " 'face 'nano-default))
+         (view-mode
+          (propertize " " 'face 'nano-faded))
+         ((derived-mode-p 'helpful-mode)
+          (propertize " " 'face 'nano-default))
+         (buffer-read-only
+          (propertize " " 'face 'nano-faded))
+         ((buffer-modified-p)
+          (propertize " " 'face 'nano-popout))
+         (t
+          (propertize " " 'face 'nano-subtle-i)))))
+
+(defun book-mode-element-prefix-elfeed ()
+  (book-mode-element-frame-count-icon ""))
+
+(defun book-mode-element-prefix-agenda ()
+  (book-mode-element-frame-count-icon ""))
+
+(defun book-mode-element-prefix-mastodon ()
+  (book-mode-element-frame-count-icon ""))
+
+(defun book-mode-element-prefix-mu4e-headers ()
+  (book-mode-element-frame-count-icon ""))
+
+(defun book-mode-element-prefix-mu4e-view ()
+  (book-mode-element-frame-count-icon ""))
+
+(defun book-mode-element-prefix-helpful ()
+  (book-mode-element-frame-count-icon ""))
+
+(defun book-mode-element-prefix-view ()
+  (book-mode-element-frame-count-icon ""))
+
+(defun book-mode-element-prefix-generic ()
+  (book-mode-element-frame-count-icon
+   (cond (buffer-read-only
+          (propertize "" 'face 'nano-faded))
+         ((buffer-modified-p)
+          (propertize "" 'face 'nano-popout))
+         (t
+          (propertize "" 'face 'nano-subtle-i)))))
+
+(defun book-mode-element-elfeed-feed-name ()
+  (plist-get (elfeed-feed-meta
+              (elfeed-entry-feed elfeed-show-entry)) :title))
+
+(defun book-mode-element-elfeed-search-filter ()
+  elfeed-search-filter)
+
+(defun book-mode-element-agenda-name ()
+  (save-excursion
+    (goto-char (point-min))
+    (buffer-substring-no-properties (line-beginning-position))))
+
+(defun book-mode-element-mu4e-context ()
+  (if (> (length (mu4e-context-label)) 0)
+      (substring-no-properties (mu4e-context-label) 1 -1)
+    ""))
+
+(defun book-mode-element-mu4e-search-query ()
+  (mu4e-last-query))
+
+(defun book-mode-element-mu4e-message-subject ()
+  "")
+
+(defun book-mode-element-mu4e-message-sender ()
+  "")
+
+(defun book-mode-element-mu4e-message-date ()
+  "")
+
+(defun book-mode-element-buffer-name ()
+  (buffer-name))
+
+(defun book-mode-element-name ()
+
+  (let ((name (cond ;; Elfeed show mode
+               ((derived-mode-p 'elfeed-show-mode)
+                (plist-get (elfeed-feed-meta
+                            (elfeed-entry-feed elfeed-show-entry)) :title))
+               ;; Elfeed show mode
+               ((derived-mode-p 'elfeed-search-mode)
+                (concat "" elfeed-search-filter))
+
+               ;; Org agenda mode
+               ((derived-mode-p 'org-agenda-mode)
+                (save-excursion
+                  (let ((inhibit-read-only t))
+                    (goto-char (point-min))
+                    ;; (set-text-properties (line-beginning-position)
+                    ;;                      (+ (line-end-position) 1)
+                    ;;                      '(invisible t))
+                    (buffer-substring-no-properties (line-beginning-position)
+                                                    (- (line-end-position) 1)))))
+
+               ;; Mu4e headers mode
+               ((derived-mode-p 'mu4e-headers-mode)
+                (concat "" (mu4e-last-query)))
+               ;; Mu4e view mode
+               ((derived-mode-p 'mu4e-view-mode)
+                "Message")
+               ;; Default
+               (t (buffer-name)))))
+    (propertize name 'face '(:inherit nano-strong))))
+
+
+(defun book-mode-element-word-count ()
+
+  (let* ((beg (if (use-region-p) (region-beginning) (point-min)))
+         (end (if (use-region-p) (region-end) (point-max)))
+         (word-count (count-words beg end))
+         (char-count (- end beg)))
+    (propertize (format "%d words / %d chars" word-count char-count)
+                'face 'nano-faded)))
+
+(defun book-mode-element-word-target ()
+
+  (let* ((word-count (count-words (point-min) (point-max)))
+         (word-total 300)
+         (ratio (/ (float word-count) (float word-total))))
+    (propertize "  " 'display (svg-lib-progress-pie ratio nil))))
+
+(defun book-mode-element-dedicated ()
+  (propertize "    " 'face (if (window-dedicated-p)
+                                '(:inherit nano-default)
+                              '(:inherit nano-subtle-i))
+              'display '(raise 0)))
+
+(defun book-mode-element-empty ()
+  "")
+
+(defun book-mode-element-message ()
+  (if (boundp 'book-mode--last-message)
+      (or book-mode--last-message "")
+    ""))
+
+(defun book-mode-element-line/total ()
+  (propertize (format "%s/%s"(format-mode-line "%l")
+                      (save-excursion
+                        (goto-char (point-max))
+                        (format-mode-line "%l")))))
+
+(defun book-mode-element-mu4e-query ()
+  (mu4e-last-query))
+
+(defun book-mode-element-mu4e-context ()
+  (substring-no-properties (mu4e-context-label)))
+
+(defun book-mode-element-mu4e-total ()
+  (format "%d" (plist-get mu4e--server-props :doccount)))
+
+
+;; ----------------------------------------------------------------------------
+(defun overlay-extend-to-margin (overlay &optional face left right)
+  (let* ((face (or face 'nano-popout-i))
+         (left-width (or (car (window-margins)) 0))
+         (right-width (or (cdr (window-margins)) 0))
+         (left (or left (make-string left-width ?\ )))
+         (right (or right (make-string right-width ?\ )))
+         (line-prefix (get-text-property (line-beginning-position) 'display))
+         (line-prefix (if (and (seqp line-prefix)
+                               (equal (car line-prefix) '(margin left-margin)))
+                          (cadr line-prefix)))
+         (left (if (stringp line-prefix) line-prefix left)))
+    (overlay-put overlay 'line-prefix
+                 (concat
+                  (propertize " "
+                              'display `((margin right-margin)
+                                         ,(propertize right 'face face)))
+                  (propertize " "
+                              'display `((margin left-margin)
+                                         ,(propertize left 'face face)))))
+
+    (overlay-put overlay 'wrap-prefix
+                 (concat
+                  (propertize " "
+                              'display `((margin right-margin)
+                                         ,(propertize right 'face face)))
+                  (propertize " "
+                              'display `((margin left-margin)
+                                         ,(propertize left 'face face)))))))
+
+;; (defun region-activate ()
+;;   (when (boundp 'region-overlay)
+;;     (overlay-extend-to-margin region-overlay 'region)
+;;     (region-update)
+;;     (add-hook #'post-command-hook #'region-update)))
+
+;; (defun region-deactivate ()
+;;   (remove-hook #'post-command-hook #'region-update)
+;;   (when (boundp 'region-overlay)
+;;     (move-overlay region-overlay (point-min) (point-min))))
+
+;; (defun region-update ()
+;;   (when (and (boundp 'region-overlay) (use-region-p))
+;;     (move-overlay region-overlay (region-beginning) (region-end))))
+
+;; (add-hook 'activate-mark-hook #'region-activate)
+;; (add-hook 'deactivate-mark-hook #'region-deactivate)
+;; (remove-hook 'activate-mark-hook #'region-activate)
+;; (remove-hook 'deactivate-mark-hook #'region-deactivate)
+
+
+(defun book-mode-hl-line-range-function ()
+  (overlay-extend-to-margin
+   (or hl-line-overlay global-hl-line-overlay)
+   (if (derived-mode-p 'mu4e-headers-mode)
+       'mu4e-header-highlight-face
+     'hl-line))
+  (cons (line-beginning-position) (line-beginning-position 2)))
+
+
+;; ----------------------------------------------------------------------------
+;; (defun book-mode-old (&optional global)
+
+;;   (interactive)
+;;   (let ((left-margin    8)
+;;         (right-margin   6)
+;;         (top-margin     2.25)
+;;         (top-padding    0.25)
+;;         (bottom-margin  1.45)
+;;         (bottom-padding 0.00))
+;;     (if global
+;;         (setq-default left-margin-width left-margin
+;;                       right-margin-width right-margin))
+;;     (set-window-margins (selected-window) left-margin right-margin)
+;;     (setq left-margin-width left-margin)
+;;     (setq right-margin-width right-margin)
+
+;;     (set-frame-parameter (selected-frame) 'internal-border-width 1)
+;;     (set-frame-parameter (selected-frame) 'width (+ 81
+;;                                                     left-margin
+;;                                                     right-margin))
+;;     (set-frame-parameter (selected-frame) 'height 50)
+;;     (set-face-background 'internal-border nano-dark-background
+;;                          (selected-frame))
+
+;;     (setq-local book-mode--message-timer nil)
+;;     (setq-local book-mode--message-last nil)
+
+;;     (setq line-spacing 1)
+;;     (fringe-mode '(0 . 0))
+;;     (set (make-local-variable 'region-overlay)
+;;          (make-overlay (point-min) (point-min)))
+
+;;     (if global
+;;         (progn
+;;           (set-face-attribute 'header-line nil
+;;                               :background (face-background 'default))
+;;           (set-face-attribute 'mode-line nil
+;;                              :foreground (face-foreground 'default)
+;;                              :background (face-background 'default)
+;;                              :height (face-attribute 'default :height))
+;;           (set-face-attribute 'mode-line-inactive nil
+;;                              :foreground (face-foreground 'default)
+;;                              :background (face-background 'default)
+;;                              :height (face-attribute 'default :height))
+;;           (set-face-attribute 'region nil
+;;                               :background "#e0e0ff")
+;;           (set-face-attribute 'hl-line nil
+;;                               :background "#f5f5ff"))
+;;       (progn
+;;         (face-remap-add-relative 'header-line
+;;                                  :background (face-background 'default))
+;;         (face-remap-add-relative 'mode-line
+;;                                  :foreground (face-foreground 'default)
+;;                                  :background (face-background 'default)
+;;                                  :height (face-attribute 'default :height))
+;;         (face-remap-add-relative 'mode-line-inactive
+;;                                  :foreground (face-foreground 'default)
+;;                                  :background (face-background 'default)
+;;                                  :height (face-attribute 'default :height))
+;;         (face-remap-add-relative 'region :background "#e0e0ff")
+;;         (face-remap-add-relative 'hl-line :background "#f5f5ff")))
+
+;;     (setq-local header-line-format
+;;                 (book-mode--header :prefix #'book-mode-element-prefix
+;;                                    :left #'book-mode-element-name
+;;                                    :suffix #'book-mode-element-dedicated
+;;                                    :margin  (- top-margin)
+;;                                    :padding (- top-padding))
+;;                 mode-line-format
+;;                 (book-mode--footer :left #'book-mode-element-message
+;;                                    :right #'book-mode-element-line/total
+;;                                    :margin bottom-margin
+;;                                    :padding bottom-padding))
+;;     (when global
+;;       (setq-default header-line-format header-line-format)
+;;       (setq-default mode-line-format mode-line-format))
+
+;;     (when (derived-mode-p 'org-mode)
+;;       (add-to-list 'font-lock-extra-managed-props 'display)
+;;       (let ((margin-format (format "%%%ds" left-margin)))
+;;         (font-lock-add-keywords nil
+;;          `(
+;;            ("^\\(\\- \\)\\(.*\\)$"
+;;             1 '(face nano-default display ((margin left-margin)
+;;                                            ,(propertize (format margin-format "• ")
+;;                                                         'face '(:inherit nano-default :weight light)) append)))
+
+;;            ("^\\(\\*\\{1\\} \\)\\(.*\\)$"
+;;            1 '(face nano-faded display ((margin left-margin)
+;;                                         ,(propertize (format margin-format "# ")
+;;                                                      'face '(:inherit nano-faded :weight light)) append))
+;;            2 '(face bold append))
+
+;;            ("^\\(\\*\\{2\\} \\)\\(.*\\)$"
+;;             1 '(face nano-faded display ((margin left-margin)
+;;                                          ,(propertize (format margin-format "## ")
+;;                                                       'face '(:inherit nano-faded :weight light)) append))
+;;             2 '(face bold append))
+
+;;            ("^\\(\\*\\{3\\} \\)\\(.*\\)$"
+;;             1 '(face nano-faded display ((margin left-margin)
+;;                                          ,(propertize (format margin-format "### ")
+;;                                                       'face '(:inherit nano-faded :weight light)) append))
+;;             2 '(face bold append))
+
+;;            ("^\\*\\{4\\} .*?\\(\n\\)"
+;;             1 '(face nil display " - "))
+
+;;            ("^\\(\\*\\{4\\} \\)\\(.*?\\)$"
+;;             1 '(face nano-faded display ((margin left-margin)
+;;                                          ,(propertize (format margin-format "§ ")
+;;                                                       'face '(:inherit nano-faded :weight light))  append))
+;;             2 '(face bold append))))))
+;;     )
+
+;;   (book-mode--message-clear)
+;;   (advice-add 'message :override #'book-mode--message)
+;;   (when (derived-mode-p 'org-mode)
+;;     (font-lock-fontify-buffer)
+;;     (visual-line-mode))
+;;   (set (make-local-variable 'region-overlay)
+;;        (make-overlay (point-min) (point-min)))
+;;    (setq hl-line-range-function #'book-mode-hl-line-range-function)
+;;   )
+
+
+;;;###autoload
+(defun book-mode ()
+
+  (interactive)
+  (setq linum-format
+        (format (format "%%%ds" (- book-mode-left-margin 2)) "%4d"))
+  (set-window-margins (selected-window) book-mode-left-margin
+                      book-mode-right-margin)
+  (setq left-margin-width book-mode-left-margin)
+  (setq right-margin-width book-mode-right-margin)
+
+  (set-frame-parameter (selected-frame) 'internal-border-width 1)
+  (set-frame-parameter (selected-frame) 'width (+ (car book-mode-frame-size)
+                                                  book-mode-left-margin
+                                                  book-mode-right-margin))
+  (set-frame-parameter (selected-frame) 'height (cdr book-mode-frame-size))
+  (set-face-background 'internal-border book-mode-frame-border-color
+                       (selected-frame))
+  (setq-local book-mode--message-timer nil)
+  (make-local-variable 'book-mode--message-timer)
+
+  (setq-local book-mode--message-last nil)
+  (make-local-variable 'book-mode--last-message)
+
+  (setq line-spacing 1)
+  (set-frame-parameter (selected-frame) 'right-divider-width 1)
+
+  (fringe-mode '(0 . 0))
+  (set (make-local-variable 'region-overlay)
+       (make-overlay (point-min) (point-min)))
+  (face-remap-add-relative 'header-line
+                           :background (face-background 'default))
+  (face-remap-add-relative 'window-divider
+                           :foreground (face-foreground 'default))
+
+  (face-remap-set-base 'mode-line nil)
+  (face-remap-set-base 'mode-line-inactive nil)
+
+  (face-remap-add-relative 'mode-line
+                           :foreground (face-foreground 'default)
+                           :background (face-background 'default)
+                           :height (face-attribute 'default :height))
+  (face-remap-add-relative 'mode-line-inactive
+                           :foreground (face-foreground 'default)
+                           :background (face-background 'default)
+                           :height (face-attribute 'default :height))
+  ;; (face-remap-add-relative 'region :background "#e0e0ff")
+  ;; (face-remap-add-relative 'hl-line :background "#f5f5ff")
+  (setq-local header-line-format
+              (book-mode--header :prefix #'book-mode-element-frame-count-icon
+                                 :left #'book-mode-element-name
+                                 :suffix #'book-mode-element-dedicated))
+  (setq-local mode-line-format
+              (book-mode--footer :left #'book-mode-element-message
+                                 :right  #'book-mode-element-line/total))
+
+  (add-hook 'isearch-mode-hook
+            (lambda ()
+              (setq-local mode-line-format
+                          (book-mode--footer
+                           :prefix " "
+                           :left #'book-mode-element-message
+                           :right  #'book-mode-element-line/total))
+              (book-mode--message-cancel-clear)))
+
+  (add-hook 'isearch-mode-end-hook
+            (lambda ()
+              (setq-local mode-line-format
+                          (book-mode--footer
+                           :left #'book-mode-element-message
+                           :right  #'book-mode-element-line/total))
+              (book-mode--message-clear)))
+
+  (book-mode--message-clear)
+  (advice-add 'message :override #'book-mode--message)
+  (set (make-local-variable 'region-overlay)
+       (make-overlay (point-min) (point-min)))
+  (setq hl-line-range-function #'book-mode-hl-line-range-function))
+
+(defun my/hide-cursor ()
+  (setq cursor-type nil))
+
+(defun my/hide-org-agenda-header-line ()
+  (save-excursion
+    (let ((inhibit-read-only t))
+      (goto-char (point-min))
+      (set-text-properties (line-beginning-position)
+                           (+ (line-end-position) 1)
+                           '(invisible t)))))
+
+(add-hook 'elfeed-search-mode-hook 'book-mode)
+(add-hook 'elfeed-show-mode-hook 'book-mode)
+(add-hook 'org-agenda-mode-hook 'book-mode)
+(add-hook 'org-agenda-finalize-hook 'my/hide-org-agenda-header-line)
+(add-hook 'mu4e-headers-mode-hook 'book-mode)
+(add-hook 'mu4e-headers-mode-hook 'my/hide-cursor)
+(add-hook 'mu4e-loading-mode-hook 'book-mode)
+(add-hook 'mu4e-view-mode-hook 'book-mode)
+(add-hook 'mu4e-compose-mode-hook 'book-mode)
+(add-hook 'help-mode-hook 'book-mode)
+(add-hook 'helpful-mode-hook 'book-mode)
+(add-hook 'mastodon-mode-hook 'book-mode)
+(add-hook 'python-mode-hook 'book-mode)
+(add-hook 'emacs-lisp-mode-hook 'book-mode)
+
+(provide 'book-mode)
+;;; book-mode.el ends here
+
+
+;; (defun book-command--update (prompt text)
+;;   (let* ((prompt (string-trim (substring-no-properties prompt)))
+;;          (prompt (propertize prompt 'face 'nano-strong )))
+;;      (setq-local book-mode--last-message
+;;                  (concat prompt " " text))))
+
+;; (defun book-command (prompt &optional hook icon)
+;;   (advice-add 'nano-command--update :override #'book-command--update)
+;;   (setq-local mode-line-format
+;;               (book-mode--footer :prefix (or icon "")
+;;                                  :left #'book-mode-element-message
+;;                                  :right  #'book-mode-element-line/total
+;;                                  :margin 0.0
+;;                                  :padding 0.0))
+;;   (let ((command (nano-command prompt hook
+;;                                (propertize "\n" 'face '(:height 1.2)))))
+;;     (setq-local mode-line-format
+;;                 (book-mode--footer :left #'book-mode-element-message
+;;                                    :right  #'book-mode-element-line/total))
+;;     (advice-remove 'nano-command--update #'book-command--update)
+;;     (setq-local book-mode--last-message "")
+;;     (force-mode-line-update)
+;;     command))
+
+;; (bind-key "H-&" #'(lambda ()
+;;                     (interactive)
+;;                     (let ((command (book-command "SHELL:" nil " ")))
+;;                       (when command
+;;                         (async-shell-command command)))))
+
+
+;; (defun org-quick-meeting-hook ()
+;;   (insert (format-time-string (concat " "
+;;                                (cdr org-time-stamp-formats))))
+;;   (goto-char (point-min))
+;;   (org-mode))
+
+;; (defun org-quick-meeting-refile (file headline)
+;;   (let ((pos (save-excursion
+;;                (find-file file)
+;;                (org-find-exact-headline-in-buffer headline))))
+;;     (org-refile nil nil (list headline file nil pos))))
+
+;; (defun org-quick-meeting ()
+;;   "This function allows to register a meeting (org)"
+
+;;   (interactive)
+;;   (let ((capture (book-command "MEETING " #'org-quick-meeting-hook " ")))
+;;     (when capture
+;;       (let ((current-buffer (current-buffer)))
+;;         (with-temp-buffer
+;;           (insert (format "** %s\n" capture))
+;;           (goto-char (point-min))
+;;           (org-quick-meeting-refile "~/Documents/org/agenda.org" "Future"))
+;;         (switch-to-buffer current-buffer)))))
+
+;; (bind-key "H-m" #'org-quick-meeting)