1 files changed, 74 insertions, 8 deletions

@@ -22,9 +22,9 @@
 ;; Utility constants
 
 (defconst acdw/system (pcase system-type
-            ('gnu/linux :home)
-            ((or 'msdos 'windows-nt) :work)
-            (_ :other))
+                        ('gnu/linux :home)
+                        ((or 'msdos 'windows-nt) :work)
+                        (_ :other))
   "Which computer system is currently being used.")
 
 
@@ -38,7 +38,7 @@ is unfocused."
     `(progn
        (defun ,func-name () "Defined by `when-unfocused'."
               (when (seq-every-p #'null
-                 (mapcar #'frame-focus-state (frame-list)))
+                                 (mapcar #'frame-focus-state (frame-list)))
                 ,@forms))
        (add-function :after after-focus-change-function #',func-name))))
 
@@ -52,7 +52,7 @@ each hook in HOOKS."
     `(progn
        (defun ,func-name () "Defined by `hook-defun'." ,@forms)
        ,@(dolist (hook hook-list hook-defun-add-hook-list)
-          (push `(add-hook ',hook #',func-name) hook-defun-add-hook-list)))))
+           (push `(add-hook ',hook #',func-name) hook-defun-add-hook-list)))))
 
 (defun refresh-emacs ()
   "Reload Emacs's configuration files."
@@ -73,7 +73,7 @@ if MAKE-DIRECTORY is non-nil."
                                user-emacs-directory)))
     (if file
         (let ((file-name (expand-file-name (convert-standard-filename file)
-                       dir)))
+                                           dir)))
           (when make-directory
             (make-directory (file-name-directory file-name) 'parents))
           file-name)
@@ -82,12 +82,33 @@ if MAKE-DIRECTORY is non-nil."
 (defun acdw/gc-enable ()
   "Enable the Garbage collector."
   (setq gc-cons-threshold (* 800 1024 1024)
-    gc-cons-percentage 0.1))
+        gc-cons-percentage 0.1))
 
 (defun acdw/gc-disable ()
   "Functionally disable the Garbage collector."
   (setq gc-cons-threshold most-positive-fixnum
-    gc-cons-percentage 0.8))
+        gc-cons-percentage 0.8))
+
+(defun acdw/sunrise-sunset (sunrise-command sunset-command)
+  "Run commands at sunrise and sunset."
+  (let* ((times-regex (rx (* nonl)
+                          (: (any ?s ?S) "unrise") " "
+                          (group (repeat 1 2 digit) ":"
+                                 (repeat 1 2 digit)
+                                 (: (any ?a ?A ?p ?P) (any ?m ?M)))
+                          (* nonl)
+                          (: (any ?s ?S) "unset") " "
+                          (group (repeat 1 2 digit) ":"
+                                 (repeat 1 2 digit)
+                                 (: (any ?a ?A ?p ?P) (any ?m ?M)))
+                          (* nonl)))
+         (ss (sunrise-sunset))
+         (_m (string-match times-regex ss))
+         (sunrise-time (match-string 1 ss))
+         (sunset-time (match-string 2 ss)))
+    (run-at-time sunrise-time (* 60 60 24) sunrise-command)
+    (run-at-time sunset-time (* 60 60 24) sunset-command)
+    (run-at-time "12:00am" (* 60 60 24) sunset-command)))
 
 
 ;; Make `C-z' more useful
@@ -98,5 +119,50 @@ if MAKE-DIRECTORY is non-nil."
     (define-key map "\C-z" c-z)
     map))
 
+
+;; `acdw/reading-mode'
+(define-minor-mode acdw/reading-mode
+  "A mode for reading."
+  :init-value nil
+  :lighter " Read"
+  (if acdw/reading-mode
+      (progn ;; turn on
+        ;; settings
+        (setq-local mode-line-format
+                    '(:eval
+                      (let* ((fmt " Reading %b")
+                             (len (length (format-mode-line fmt))))
+                        (concat
+                         (propertize " "
+                                     'display `((space :align-to (- right
+                                                                    ,len)))
+                                     'face '(:inherit italic))
+                         fmt)))
+                    orig-indicate-empty-lines indicate-empty-lines
+                    indicate-empty-lines nil
+                    orig-indicate-buffer-boundaries indicate-buffer-boundaries
+                    indicate-buffer-boundaries nil)
+        ;; disable modes
+        (dolist (mode '(display-fill-column-indicator-mode))
+          (when (fboundp mode)
+            (funcall mode -1)))
+        ;; enable modes
+        (dolist (mode '(iscroll-mode olivetti-mode))
+          (when (fboundp mode)
+            (funcall mode +1))))
+    ;; turn off
+    ;; settings
+    (setq-local indicate-empty-lines orig-indicate-empty-lines
+                indicate-buffer-boundaries orig-indicate-buffer-boundaries)
+    (kill-local-variable 'mode-line-format)
+    ;; enable modes
+    (dolist (mode '(display-fill-column-indicator-mode))
+      (when (fboundp mode)
+        (funcall mode +1)))
+    ;; disable modes
+    (dolist (mode '(olivetti-mode iscroll-mode))
+      (when (fboundp mode)
+        (funcall mode -1)))))
+
 (provide 'acdw)
 ;;; acdw.el ends here