--- a/.emacs-my	Thu Sep 29 15:01:34 2011 +0300
+++ b/.emacs-my	Thu Sep 29 15:51:04 2011 +0300
@@ -1477,9 +1477,11 @@
 
 (defun my-c-mode-common-hook ()
   ;; Automatically inserte newlines after special characters such as brace, comma, semi-colon, and colon.
-  (c-toggle-auto-newline -1)
+  (c-toggle-auto-newline 1)
   ;; Delete all preceding whitespace by DEL.
   (c-toggle-hungry-state -1)
+  ;; Auto indent after typing colon according to `c-hanging-colons-alist'.
+  (c-toggle-electric-state 1)
   )
 (add-hook 'c-mode-common-hook 'my-c-mode-common-hook)