Add custom latex setup and theme for emacs.

.emacs.el

@@ -44,7 +44,8 @@
         (append '(ac-source-clang-async)
                 ac-sources))
   (add-to-list 'ac-sources 'ac-source-c-headers)
-  (ac-clang-launch-completion-process))
+  (ac-clang-launch-completion-process)
+  (hs-minor-mode))
 
 (add-hook 'c-mode-common-hook 'ac-cc-mode-setup)
 (add-hook 'c++-mode-common-hook 'ac-cc-mode-setup)
@@ -69,6 +70,48 @@
 (setq TeX-parse-self t)
 (setq-default TeX-master nil)
 
+(defun my-latex-mode-setup ()
+  "Redefines and updates variables for various customizations."
+  (setq LaTeX-paragraph-commands
+        '("If" "State" "Loop" "For" "ForAll"))
+  (setq LaTeX-begin-regexp
+        (concat LaTeX-begin-regexp "\\|If\\b" "\\|Loop\\b" "\\|For\\b" "\\|ForAll\\b"))
+  (setq LaTeX-end-regexp
+        (concat LaTeX-end-regexp "\\|EndIf\\b" "\\|EndLoop\\b"
+                "\\|EndFor\\b" "\\|Else\\b" "\\|ElsIf\\b"))
+  (setq LaTeX-paragraph-commands-regexp (LaTeX-paragraph-commands-regexp-make))
+  (defun LaTeX-indent-level-count ()
+    "Count indentation change caused by all \\left, \\right, \\begin, and
+\\end commands in the current line."
+    (save-excursion
+      (save-restriction
+        (let ((count 0))
+          (narrow-to-region (point)
+                            (save-excursion
+                              (re-search-forward
+                               (concat "[^" TeX-esc "]"
+                                       "\\(" LaTeX-indent-comment-start-regexp
+                                       "\\)\\|\n\\|\\'"))
+                              (backward-char)
+                              (point)))
+          (while (search-forward TeX-esc nil t)
+            (cond
+             ((looking-at "left\\b")
+              (setq count (+ count LaTeX-left-right-indent-level)))
+             ((looking-at "right\\b")
+              (setq count (- count LaTeX-left-right-indent-level)))
+             ((looking-at LaTeX-begin-regexp)
+              (setq count (+ count LaTeX-indent-level)))
+             ((looking-at "Else\\b"))
+             ((looking-at "ElsIf\\b"))
+             ((looking-at LaTeX-end-regexp)
+              (setq count (- count LaTeX-indent-level)))
+             ((looking-at (regexp-quote TeX-esc))
+              (forward-char 1))))
+          count)))))
+
+(add-hook 'LaTeX-mode-hook 'my-latex-mode-setup)
+
 (add-hook 'LaTeX-mode-hook 'visual-line-mode)
 (add-hook 'LaTeX-mode-hook 'flyspell-mode)
 (add-hook 'LaTeX-mode-hook 'LaTeX-math-mode)
@@ -118,6 +161,9 @@
 
 ;; White space mode
 (setq whitespace-line-column 100)
+
+(add-hook 'before-save-hook 'whitespace-cleanup)
+
 (add-hook 'python-mode-hook (lambda () (setq whitespace-line-column 140)))
 (add-hook 'LaTeX-mode-hook (lambda () (setq whitespace-line-column -1)))
 
@@ -191,16 +237,19 @@
 
 (add-hook 'LaTeX-mode-hook 'key-latex-mode-setup)
 
-;; CUSTOM EMACS
 (custom-set-variables
  ;; custom-set-variables was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
- '(safe-local-variable-values (quote ((encoding . utf-8)))))
+ '(custom-safe-themes
+   (quote
+    ("737d9d0e0f6c4279e80f7479ec5138af6e4908a2d052126f254e1e6d1a0d0188" default))))
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
  )
+
+(load-theme 'hydandata-light)