Refactoring and cleanup code

Linum-mode is disabled for default (can be activated with F6 key), and improves the handling of large files.

init.el

@@ -7,9 +7,8 @@
 ;; Without this comment emacs25 adds (package-initialize) here
 ;; (package-initialize)
 
-(let* ((minver "24.4"))
+;;; Time Mark
-  (when (version< emacs-version minver)
+(setq emacs-load-start-time (current-time))
-    (error "Emacs v%s or higher is required" minver)))
 
 ;;; Welcome message
 (setq-default initial-scratch-message
@@ -18,41 +17,6 @@
 ;;; Modules directory
 (push (concat user-emacs-directory "modules") load-path)
 
-;;; Raise garbage collection threshold after init
-(defvar best-gc-cons-threshold
-  4000000
-  "Best default gc threshold value.  Should NOT be too big!")
-
-;; don't GC during startup to save time
-(setq gc-cons-threshold most-positive-fixnum)
-
-(setq emacs-load-start-time (current-time))
-
-;;----------------------------------------------------------------------------
-;; Which functionality to enable (use t or nil for true and false)
-;;----------------------------------------------------------------------------
-(setq *is-a-mac* (eq system-type 'darwin))
-(setq *win64* (eq system-type 'windows-nt))
-(setq *cygwin* (eq system-type 'cygwin) )
-(setq *linux* (or (eq system-type 'gnu/linux) (eq system-type 'linux)) )
-(setq *unix* (or *linux* (eq system-type 'usg-unix-v) (eq system-type 'berkeley-unix)) )
-(setq *emacs24* (>= emacs-major-version 24))
-(setq *emacs25* (>= emacs-major-version 25))
-(setq *emacs26* (>= emacs-major-version 26))
-(setq *no-memory* (cond
-                   (*is-a-mac*
-                    (< (string-to-number (nth 1 (split-string (shell-command-to-string "sysctl hw.physmem")))) 4000000000))
-                   (*linux* nil)
-                   (t nil)))
-
-;; @see https://www.reddit.com/r/emacs/comments/55ork0/is_emacs_251_noticeably_slower_than_245_on_windows/
-;; Emacs 25 does gc too frequently
-(when *emacs25*
-  ;; (setq garbage-collection-messages t) ; for debug
-  (setq best-gc-cons-threshold (* 64 1024 1024))
-  (setq gc-cons-percentage 0.5)
-(run-with-idle-timer 5 t #'garbage-collect))
-
 ;;;------------------------------
 ;;; Features
 ;;;------------------------------
@@ -74,7 +38,7 @@
   ;; Utils
   (require 'init-utils)
   ;; GUI
-  (require 'init-nlinum)
+  (require 'init-linum)
   (require 'init-gui)
   (require 'init-editing-utils)
   (require 'init-diminish)
@@ -127,8 +91,7 @@
 (when (file-exists-p custom-file)
   (load settings-file))
 
-(setq gc-cons-threshold best-gc-cons-threshold)
+;; Time Output
-
 (when window-system
   (let ((elapsed (float-time (time-subtract (current-time)
                                             emacs-load-start-time))))

modules/init-linum.el

@@ -0,0 +1,52 @@
+;;; init-nlinum.el --- .Emacs Configuration -*- lexical-binding: t -*-
+;;; Commentary:
+;;
+
+;;; Code:
+;;----------------------------------------------------------------------------
+;; Line numbers
+;;----------------------------------------------------------------------------
+;; Linum snippets from: https://www.emacswiki.org/emacs/LineNumbers
+
+(use-package linum
+  :config
+  (defun my-linum-get-format ()
+    "Defines LINUM-GET-FORMAT"
+    (let* ((width (1+ (length (number-to-string
+                               (count-lines (point-min) (point-max))))))
+           (format (concat "%" (number-to-string width) "d \u2502")))
+      (setq my-linum-format-string format)))
+  (add-hook 'linum-before-numbering-hook 'my-linum-get-format)
+
+  (defun my-linum-format (line-number)
+    "Defines LINE-FORMAT"
+    (propertize (format my-linum-format-string line-number) 'face
+                (if (eq line-number my-current-line)
+                    'my-linum-hl
+                  'linum)))
+  (setq linum-format 'my-linum-format)
+
+  (defadvice linum-update (around my-linum-update)
+    "Defines LINUM-UPDATE for update lines"
+    (let ((my-current-line (line-number-at-pos)))
+      ad-do-it))
+  (ad-activate 'linum-update)
+
+  ;; Colors line active
+  ;; set in file init-theme.el
+  ;; fox example:
+  ;; (defface my-linum-hl
+  ;;     '((t :background "gray20" :foreground "gold"))
+  ;;     "Face for the currently active Line number"
+  ;;     :group 'linum)
+  ;;   )
+
+  :bind
+  (([f6] . linum-mode)))
+
+(provide 'init-linum)
+
+;; Local Variables:
+;; byte-compile-warnings: (not free-vars)
+;; End:
+;;; init-linum.el ends here

modules/init-nlinum.el

@@ -1,118 +0,0 @@
-;;; init-nlinum.el --- .Emacs Configuration -*- lexical-binding: t -*-
-;;; Commentary:
-;;
-
-;;; Code:
-;;----------------------------------------------------------------------------
-;; Line numbers
-;;----------------------------------------------------------------------------
-;; Linum snippets from: https://www.emacswiki.org/emacs/LineNumbers
-(use-package nlinum
-  :config
-  (add-hook 'find-file-hook (lambda () (linum-mode 1)))
-  (setq global-linum-mode t)
-)
-
-(use-package linum
-  :config
-  (linum-mode 1)
-  :hook
-  (apache-mode   . linum-mode)
-  (c-mode        . linum-mode)
-  (c++-mode      . linum-mode)
-  (elisp-mode    . linum-mode)
-  (html-mode     . linum-mode)
-  (js-mode       . linum-mode)
-  (js2-mode      . linum-mode)
-  (less-mode     . linum-mode)
-  (markdown-mode . linum-mode)
-  (nginx-mode    . linum-mode)
-  (php-mode      . linum-mode)
-  (scss-mode     . linum-mode)
-  (sass-mode     . linum-mode)
-  (web-mode      . linum-mode))
-
-(defun my-linum-get-format-string ()
-  "Format the string of the column in the buffer.
-It helps to show the numbering plus a separation bar."
-  (let* ((width (1+ (length (number-to-string
-                             (count-lines (point-min) (point-max))))))
-         (format (concat "%" (number-to-string width) "d \u2502")))
-    (setq my-linum-format-string format)))
-
-(add-hook 'linum-before-numbering-hook 'my-linum-get-format-string)
-
-(defvar my-linum-current-line-number 0)
-
-(defun my-linum-format (line-number)
-  "Defines LINE-NUMBER the numbering format of each.
-this helps maintain the format in the numbering"
-  (propertize (format my-linum-format-string line-number) 'face
-              (if (eq line-number my-linum-current-line-number)
-                  'my-linum-hl
-                'linum)))
-(setq linum-format 'my-linum-format)
-
-(defadvice linum-update (around my-linum-update)
-    "Defines LINUM-UPDATE for update lines.
-this helps maintain the format in the numbering"
-  (let ((my-linum-current-line-number (line-number-at-pos)))
-    ad-do-it))
-(ad-activate 'linum-update)
-
-(defvar *linum-mdown-line* nil)
-
-(defun line-at-click ()
-  "Funtions for position lines.
-this helps maintain the move visual."
-  (save-excursion
-    (let ((click-y (cdr (cdr (mouse-position))))
-          (line-move-visual-store line-move-visual))
-      (setq line-move-visual t)
-      (goto-char (window-start))
-
-      (with-no-warnings
-        (next-line (1- click-y)))
-
-      (setq line-move-visual line-move-visual-store)
-      ;; If you are using tabbar substitute the next line with
-      ;; (line-number-at-pos))))
-      (1+ (line-number-at-pos)))))
-
-(defun md-select-linum ()
-  "Funtions for position lines.
-this helps maintain the move visual."
-  (interactive)
-  (with-no-warnings
-    (goto-line (line-at-click)))
-  (set-mark (point))
-  (setq *linum-mdown-line*
-        (line-number-at-pos)))
-
-(defun mu-select-linum ()
-  "Funtions for position lines.
-this helps maintain the move visual."
-  (interactive)
-  (when *linum-mdown-line*
-    (let (mu-line)
-      ;; (goto-line (line-at-click))
-      (setq mu-line (line-at-click))
-      (with-no-warnings
-        (goto-line (max *linum-mdown-line* mu-line)))
-
-      (set-mark (line-end-position))
-      (with-no-warnings
-        (goto-line (min *linum-mdown-line* mu-line)))
-      (setq *linum-mdown*
-            nil))))
-
-(global-set-key (kbd "<left-margin> <down-mouse-1>") 'md-select-linum)
-(global-set-key (kbd "<left-margin> <mouse-1>") 'mu-select-linum)
-(global-set-key (kbd "<left-margin> <drag-mouse-1>") 'mu-select-linum)
-
-(provide 'init-nlinum)
-
-;; Local Variables:
-;; byte-compile-warnings: (not free-vars)
-;; End:
-;;; init-nlinum.el ends here