EMACS: Add X urgency hint when someone speaks to me on jabber

.emacs.d/init.el

@@ -3,7 +3,7 @@
   (normal-top-level-add-subdirs-to-load-path))
 
 ;;-----[ Defun ]---------------------------------------------------------
-(defun oni/what-face (pos)
+(defun ext/what-face (pos)
   "Find out which face the current position uses"
   (interactive "d")
   (let ((face (or (get-char-property (point) 'read-face-name)
@@ -12,11 +12,11 @@
         (message "Face: %s" face)
       (message "No face at %d" pos))))
 
-(defun oni/what-major-mode (buffer-or-string)
+(defun ext/what-major-mode (buffer-or-string)
   "Find out which major-mode is currently used"
   (with-current-buffer buffer-or-string major-mode))
 
-(defun oni/my-comp-finish-function (buf str)
+(defun ext/my-comp-finish-function (buf str)
   "Don't show compilation window if everything went ok"
   (if (string-match "exited abnormally" str)
       ;; there were errors
@@ -25,6 +25,29 @@
     (run-at-time 0.5 nil 'delete-windows-on buf)
     (message "NO COMPILATION ERRORS!")))
 
+(defun ext/pretty-lambdas ()
+  (font-lock-add-keywords
+   nil `(("(\\(lambda\\>\\)"
+          (0 (progn
+               (compose-region (match-beginning 1)
+                               (match-end 1)
+                               ?λ)))))))
+
+(defun ext/x-urgency-hint (frame arg &optional source)
+  (let* ((wm-hints (append (x-window-property
+                           "WM_HINTS" frame "WM_HINTS"
+                           (if source
+                               source
+                             (string-to-number
+                              (frame-parameter frame 'outer-window-id)))
+                           nil t) nil))
+         (flags (car wm-hints)))
+    (setcar wm-hints
+            (if arg
+                (logior flags #x00000100)
+              (logand flags #xFFFFFEFF)))
+    (x-change-window-property "WM_HINTS" wm-hints frame "WM_HINTS" 32 t)))
+
 (defun oni/c-toggle-header-source ()
   "Toggle between a C source and header file"
   (interactive)
@@ -49,9 +72,9 @@
   (oni/replace-occurrences "é" "é"))
 
 (defun oni/before-save-hook ()
-  (if (eq (oni/what-major-mode (current-buffer)) 'html-mode)
+  (if (eq (ext/what-major-mode (current-buffer)) 'html-mode)
       (oni/replace-html-special-chars))
-  (if (not (eq (oni/what-major-mode (current-buffer)) 'markdown-mode))
+  (if (not (eq (ext/what-major-mode (current-buffer)) 'markdown-mode))
       (delete-trailing-whitespace)))
 
 (defun oni/after-save-hook ()
@@ -59,14 +82,6 @@
          (suffix (file-name-extension fname)))
       (if (string-equal suffix "el")
           (byte-compile-file fname))))
-
-(defun oni/pretty-lambdas ()
-  (font-lock-add-keywords
-   nil `(("(\\(lambda\\>\\)"
-          (0 (progn
-               (compose-region (match-beginning 1)
-                               (match-end 1)
-                               ?λ)))))))
 
 ;;-----[ Theme ]---------------------------------------------------------
 (require 'naquadah-theme)
@@ -118,7 +133,7 @@
    `((,integer-regex-1 0 font-lock-constant-face)
      (,integer-regex-2 0 font-lock-constant-face)))
   (rainbow-delimiters-mode)
-  (oni/pretty-lambdas)
+  (ext/pretty-lambdas)
   (set-column-markers 73 81))
 
 (if (>= emacs-major-version 24)
@@ -320,6 +335,21 @@
 (require 'autosmiley)
 
 ;;-----[ Jabber ]--------------------------------------------------------
+(defvar ext/jabber-activity-jids-count 0)
+
+(defun ext/jabber-urgency-hint ()
+  (let ((count (length jabber-activity-jids)))
+    (unless (= ext/jabber-activity-jids-count count)
+      (if (zerop count)
+          (ext/x-urgency-hint (selected-frame) nil)
+        (ext/x-urgency-hint (selected-frame) t))
+      (setq ext/jabber-activity-jids-count count))))
+
+(defun oni/jabber-chat-mode-hook ()
+  (autosmiley-mode)
+  (local-set-key [S-return] 'newline)
+  (local-set-key [C-return] 'newline))
+
 (when (require 'jabber-autoloads nil 'noerror)
   (setq jabber-account-list
         '(("ryuslash@gmail.com"
@@ -327,9 +357,8 @@
            (:connection-type . ssl))))
   (setq jabber-history-enabled t)
   (setq jabber-use-global-history nil)
-  (define-key jabber-chat-mode-map [S-return] 'newline)
-  (define-key jabber-chat-mode-map [C-return] 'newline)
-  (add-hook 'jabber-chat-mode-hook 'autosmiley-mode))
+  (add-hook 'jabber-chat-mode-hook 'oni/jabber-chat-mode-hook)
+  (add-hook 'jabber-activity-update-hook 'ext/jabber-urgency-hint))
 
 ;;-----[ X11 ]-----------------------------------------------------------
 (when window-system
@@ -449,7 +478,7 @@
 (delete-selection-mode t)
 (show-paren-mode t)
 
-(add-to-list 'compilation-finish-functions 'oni/my-comp-finish-function)
+(add-to-list 'compilation-finish-functions 'ext/my-comp-finish-function)
 
 (global-set-key "\C-m" 'newline-and-indent)
 (global-set-key (kbd "C-x n r") 'narrow-to-region)