emacs: add init-linu.el show current line number in relative mode

diff --git a/emacs.d/config/init-linum.el b/emacs.d/config/init-linum.el
new file mode 100644 (file)
index 0000000..684339f
--- /dev/null
+++ b/emacs.d/config/init-linum.el
@@ -0,0 +1,37 @@
+;; refer to https://github.com/aaronbieber/dotfiles/blob/master/configs/emacs.d/lisp/init-linum.el
+;;; Stuff for line numbers.
+(defface linum-current
+  '((t (:inherit linum :weight bold :underline "#555")))
+  "The current line number.")
+
+(defun my-linum-get-format-string ()
+  (let* ((width (max 4 (1+ (length (number-to-string
+                             (count-lines (point-min) (point-max)))))))
+         (format (concat "%" (number-to-string width) "d "))
+         (current-line-format (concat "%-" (number-to-string width) "d ")))
+    (setq my-linum-format-string format)
+       (setq my-linum-current-line-format-string current-line-format)))
+
+(defvar my-linum-current-line-number 0)
+
+(setq linum-format 'my-linum-relative-line-numbers)
+
+(defun my-linum-relative-line-numbers (line-number)
+  (let* ((offset (abs (- line-number my-linum-current-line-number)))
+         (linum-display-value (if (= 0 offset)
+                          my-linum-current-line-number
+                                offset))
+         (format-string (if (= my-linum-current-line-number line-number) my-linum-current-line-format-string my-linum-format-string))
+         (face (if (= my-linum-current-line-number line-number) 'linum-current 'linum)))
+    (propertize (format format-string linum-display-value) 'face face)))
+
+(defadvice linum-update (around my-linum-update)
+  (let ((my-linum-current-line-number (line-number-at-pos)))
+    ad-do-it))
+(ad-activate 'linum-update)
+
+;;; Set up relative line numbering to mimic `:set number relativenumber`.
+(global-linum-mode t)
+(add-hook 'linum-before-numbering-hook 'my-linum-get-format-string)
+
+(provide 'init-linum)

diff --git a/emacs.d/init.el b/emacs.d/init.el
index ca3d88c..5441c95 100644 (file)
--- a/emacs.d/init.el
+++ b/emacs.d/init.el
@@ -231,6 +231,48 @@
  ;; If there is more than one, they won't work right.
  '(fringe-mode (quote (4 . 0)) nil (fringe))
  '(ggtags-split-window-function (quote split-window-vertically))
+ '(hes-mode-alist
+   (quote
+    ((c-mode . "\\(\\\\\\([0-7]\\{1,3\\}\\|x[[:xdigit:]]+\\|u[[:xdigit:]]\\{4\\}\\|U[[:xdigit:]]\\{8\\}\\|[\"'?\\abfnrtv]\\)\\)")
+     (cperl-mode . "\\(\\\\\\([0-7]\\{1,3\\}\\|x[[:xdigit:]]+\\|u[[:xdigit:]]\\{4\\}\\|U[[:xdigit:]]\\{8\\}\\|[\"'?\\abfnrtv]\\)\\)")
+     (c++-mode . "\\(\\\\\\([0-7]\\{1,3\\}\\|x[[:xdigit:]]+\\|u[[:xdigit:]]\\{4\\}\\|U[[:xdigit:]]\\{8\\}\\|[\"'?\\abfnrtv]\\)\\)")
+     (objc-mode . "\\(\\\\\\([0-7]\\{1,3\\}\\|x[[:xdigit:]]+\\|u[[:xdigit:]]\\{4\\}\\|U[[:xdigit:]]\\{8\\}\\|[\"'?\\abfnrtv]\\)\\)")
+     (java-mode . "\\(\\\\\\([0-7]\\{1,3\\}\\|u[[:xdigit:]]\\{4\\}\\|[\"'\\bfnrt]\\)\\)")
+     (js-mode . "\\(\\\\\\([0-7]\\{1,3\\}\\|x[[:xdigit:]]\\{2\\}\\|u[[:xdigit:]]\\{4\\}\\|.\\)\\)")
+     (js2-mode . "\\(\\\\\\([0-7]\\{1,3\\}\\|x[[:xdigit:]]\\{2\\}\\|u[[:xdigit:]]\\{4\\}\\|.\\)\\)")
+     (ruby-mode
+      ("\\(\\\\\\([0-7]\\{1,3\\}\\|x[[:xdigit:]]\\{1,2\\}\\|u\\(?:[[:xdigit:]]\\{4\\}\\|{[[:xdigit:]]\\{1,6\\}\\(?:[[:space:]]+[[:xdigit:]]\\{1,6\\}\\)*}\\)\\|.\\)\\)"
+       (0
+       (let*
+           ((state
+             (syntax-ppss))
+            (term
+             (nth 3 state)))
+         (when
+             (or
+              (and
+               (eq term 39)
+               (member
+                (match-string 2)
+                (quote
+                 ("\\" "'"))))
+              (if
+                  (fboundp
+                   (quote ruby-syntax-expansion-allowed-p))
+                  (ruby-syntax-expansion-allowed-p state)
+                (memq term
+                      (quote
+                       (34 47 10 96 t)))))
+           (add-face-text-property
+            (match-beginning 1)
+            (match-end 1)
+            (quote hes-escape-backslash-face))
+           (add-face-text-property
+            (match-beginning 2)
+            (match-end 2)
+            (quote hes-escape-sequence-face))
+           nil))
+       prepend))))))
  '(org-agenda-files (quote ("~/temp/org-note.org")))
  '(powerline-text-scale-factor 0.85))
 
@@ -285,3 +327,20 @@
       wg-mode-line-decor-divider ":")
 ;(workgroups-mode 1)
 
+(defalias 'perl-mode 'cperl-mode)
+;(setq cperl-invalid-face nil)
+ (setq cperl-invalid-face (quote off))
+;(add-hook 'prog-mode-hook '(lambda () 
+;        (highlight-regexp "%[[:alpha:]]\\|\\\\[[:alpha:]]")))
+
+(require 'highlight-escape-sequences)
+(hes-mode)
+;(setq cperl-font-lock t)
+(put 'hes-escape-backslash-face 'face-alias 'font-lock-builtin-face)
+(put 'hes-escape-sequence-face 'face-alias 'font-lock-builtin-face)
+
+
+(add-to-list 'load-path "~/.emacs.d/Emacs-PDE-0.2.16/lisp/")
+(load "pde-load")
+
+(require 'init-linum)