md: 2026-09-04T01:47:55+02:00

1 files changed, 85 insertions, 0 deletions

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+;;; my-tinty.el --- Follow Tinty changes in this Emacs -*- lexical-binding: t; -*-
+
+(require 'filenotify)
+
+(defgroup my/tinty nil
+  "Automatic Tinty theme updates."
+  :group 'faces)
+
+(defcustom my/tinty-theme-file
+  (expand-file-name "themes/tinty-theme.el" user-emacs-directory)
+  "Shared theme source to watch in every Emacs process."
+  :type 'file
+  :group 'my/tinty)
+
+(defcustom my/tinty-reload-delay 0.15
+  "Seconds to combine filesystem events before loading the theme."
+  :type 'number
+  :group 'my/tinty)
+
+(defvar my/tinty-auto-reload-mode nil)
+(defvar my/tinty--watch nil)
+(defvar my/tinty--timer nil)
+(defvar my/tinty--loaded-content nil)
+
+(defun my/tinty--reload ()
+  "Reload only changed theme content, without success messages."
+  (setq my/tinty--timer nil)
+  (when (and my/tinty-auto-reload-mode (file-readable-p my/tinty-theme-file))
+    (condition-case err
+        (let* ((content (with-temp-buffer
+                          (insert-file-contents-literally my/tinty-theme-file)
+                          (secure-hash 'sha256 (current-buffer))))
+               (inhibit-message t)
+               (message-log-max nil))
+          (unless (equal content my/tinty--loaded-content)
+            (load my/tinty-theme-file nil 'nomessage 'nosuffix)
+            (enable-theme 'tinty)
+            (setq my/tinty--loaded-content content)))
+      (error
+       (let ((inhibit-message t))
+         (message "Tinty theme: %s" (error-message-string err)))))))
+
+(defun my/tinty--watch-start ()
+  "Watch the theme directory, retrying if it is temporarily unavailable."
+  (setq my/tinty--timer nil)
+  (when my/tinty-auto-reload-mode
+    (condition-case nil
+        (unless (and my/tinty--watch (file-notify-valid-p my/tinty--watch))
+          (setq my/tinty--watch
+                (file-notify-add-watch
+                 (file-name-directory (expand-file-name my/tinty-theme-file))
+                 '(change attribute-change) #'my/tinty--changed))
+          (my/tinty--reload))
+      (file-notify-error
+       (setq my/tinty--timer (run-at-time 2 nil #'my/tinty--watch-start))))))
+
+(defun my/tinty--changed (event)
+  "React only to events for the theme file or a stopped directory watch."
+  (when (and my/tinty-auto-reload-mode (equal (car event) my/tinty--watch))
+    (cond
+     ((eq (cadr event) 'stopped)
+      (setq my/tinty--watch nil)
+      (when (timerp my/tinty--timer) (cancel-timer my/tinty--timer))
+      (setq my/tinty--timer (run-at-time 2 nil #'my/tinty--watch-start)))
+     ((member (expand-file-name my/tinty-theme-file) (cddr event))
+      (when (timerp my/tinty--timer) (cancel-timer my/tinty--timer))
+      (setq my/tinty--timer
+            (run-at-time my/tinty-reload-delay nil #'my/tinty--reload))))))
+
+;;;###autoload
+(define-minor-mode my/tinty-auto-reload-mode
+  "Keep this Emacs's theme synchronized with Tinty, independently of config reloads."
+  :global t
+  :group 'my/tinty
+  (if my/tinty-auto-reload-mode
+      (unless (and my/tinty--watch (file-notify-valid-p my/tinty--watch))
+        (when (timerp my/tinty--timer) (cancel-timer my/tinty--timer))
+        (my/tinty--watch-start))
+    (when (timerp my/tinty--timer) (cancel-timer my/tinty--timer))
+    (let ((watch my/tinty--watch))
+      (setq my/tinty--timer nil my/tinty--watch nil my/tinty--loaded-content nil)
+      (when watch (file-notify-rm-watch watch)))))
+
+(provide 'my-tinty)
+;;; my-tinty.el ends here