Merge pull request #684 from tuhdo/master

Set Helm prefix key independent of Helm's packages

modules/prelude-helm.el

@@ -38,13 +38,15 @@
 (require 'helm)
 (require 'helm-grep)
 (require 'helm-files)
-(require 'helm-projectile)
 
 ;; The default "C-x c" is quite close to "C-x C-c", which quits Emacs.
-;; Note: this must be placed before require `helm-config'
+;; Note: this must be placed before require `helm-config'. If `helm-projectile' is
+;; available, it must also be set before `helm-projectile', since `helm-projectile'
+;; loads `helm-config'
 (setq helm-command-prefix-key "C-c h")
 
 (require 'helm-config)
+(require 'helm-projectile)
 
 (when (executable-find "curl")
   (setq helm-google-suggest-use-curl-p t))
@@ -58,6 +60,12 @@
       helm-ff-search-library-in-sexp        t
       helm-ff-file-name-history-use-recentf t)
 
+;; The default "C-x c" is quite close to "C-x C-c", which quits Emacs.
+;; Changed to "C-c h". Note: We must set "C-c h" globally, because we
+;; cannot change `helm-command-prefix-key' once `helm-config' is loaded.
+(global-set-key (kbd "C-c h") 'helm-command-prefix)
+(global-unset-key (kbd "C-x c"))
+
 (define-key helm-command-map (kbd "o")     'helm-occur)
 (define-key helm-command-map (kbd "g")     'helm-do-grep)
 (define-key helm-command-map (kbd "C-c w") 'helm-wikipedia-suggest)