configfiles/emacs/.emacs

(package-initialize)
(require 'package)

;; Quote
(setq initial-scratch-message ";; Simplicity and elegance are unpopular because\n;; they require hard work and discipline to achieve\n;; and education to be appreciated.\n;;\n;; - Dijkstra\n\n")

;; Set frame title
(setq frame-title-format "[%m] %f")

;; Default frame size
(setq initial-frame-alist
	  '(
		(width . 110)
		(height . 40)
		))

(push '("melpa" . "http://melpa.milkbox.net/packages/") package-archives)

(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.
 '(ansi-color-faces-vector
   [default default default italic underline success warning error])
 '(ansi-color-names-vector
   ["#242424" "#e5786d" "#95e454" "#cae682" "#8ac6f2" "#333366" "#ccaa8f" "#f6f3e8"])
 '(blink-cursor-mode nil)
 '(custom-enabled-themes (quote (heroku)))
 '(custom-safe-themes
   (quote
	("4f2ede02b3324c2f788f4e0bad77f7ebc1874eff7971d2a2c9b9724a50fb3f65" default)))
 '(global-evil-surround-mode t)
 '(inhibit-startup-screen t)
 '(menu-bar-mode nil)
 '(package-selected-packages
   (quote
	(swiper neotree centered-cursor-mode ivy avy heroku-theme auto-complete use-package yasnippet evil-surround org evil-magit magit makefile-runner evil)))
 '(scroll-bar-mode nil)
 '(tool-bar-mode nil))
(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.
 '(neo-dir-link-face ((t (:foreground "#fce94f"))))
 '(neo-expand-btn-face ((t (:foreground "#ffe070"))))
 '(neo-root-dir-face ((t (:foreground "#fff3c6" :weight bold)))))

;; ensure repo cache is up1date
(or (file-exists-p package-user-dir)
    (package-refresh-contents))

;; Install use-package
(defun ensure-package-installed (package)
  "Ensure packages are installed"
  (if (package-installed-p package)
	  nil
	(progn
	  (package-refresh-contents)
	  (package-install package))))

(ensure-package-installed 'use-package)

;; *.tex files are Latex-Files
(add-to-list 'auto-mode-alist '("\\.tex\\'" . latex-mode))

;; Extra Latex keybindings
(defun my/latex-keybindings ()
  (define-key latex-mode-map (kbd "<f9>") 'recompile))
(add-hook 'latex-mode-hook 'my/latex-keybindings)

;; show parens
(show-paren-mode t)

;; highlight line
(global-hl-line-mode)

;; theme
(use-package heroku-theme
  :ensure t)

;; Org-mode
(use-package org
  :ensure t)

;; Evil-mode
(use-package evil
  :ensure t
  :demand t
  :config
  (evil-mode 1)
  (setq evil-ex-substitute-global t)
  (define-key evil-normal-state-map "/" 'swiper))

;; Auto-Complete
(use-package auto-complete
  :ensure t
  :demand t
  :config (progn
			(require 'auto-complete-config)
			(ac-config-default)))

;; ivy
(use-package ivy
  :ensure t
  :demand t
  :config (progn
			(ivy-mode 1)
			(setq ivy-use-virtual-buffers t)
			(setq ivy-count-format "(%d/%d) ")
			(define-key ivy-minibuffer-map (kbd "<C-return>") 'ivy-immediate-done)))

;; swiper
(use-package swiper
  :ensure t
  :bind ("C-s" . swiper))

;; Neotree
(use-package neotree
  :ensure t
  :bind ("C-x n" . neotree-show)
  :config
  (setq neo-theme 'ascii)
  (evil-define-key 'normal neotree-mode-map (kbd "+") 'neotree-create-node)
  (evil-define-key 'normal neotree-mode-map (kbd "g") 'neotree-refresh)
  (evil-define-key 'normal neotree-mode-map (kbd "d") 'neotree-delete-node)
  (evil-define-key 'normal neotree-mode-map (kbd "c") 'neotree-rename-node)
  (evil-define-key 'normal neotree-mode-map (kbd "TAB") 'neotree-enter)
  (evil-define-key 'normal neotree-mode-map (kbd "RET") 'neotree-enter)
  (evil-define-key 'normal neotree-mode-map (kbd "q") 'neotree-hide))


;; Cursor centered
(use-package centered-cursor-mode
  :ensure t
  :demand t
  :disabled
  :config (global-centered-cursor-mode))

;; Yasnippet
(use-package yasnippet
  :ensure t
  :demand t
  :config (yas-global-mode 1))

;; avy
(use-package avy
  :ensure t
  :demand t
  :disabled
  :bind ("C-s" . avy-goto-word-0)
  :config (progn
			(setq avy-keys '(?a ?s ?d ?f ?g ?q ?w ?e ?r ?t ?y ?x ?c ?v ?z ?u ?i ?o ?p ?h ?j ?k ?l ?b ?n ?m))))

;; Magit
(use-package magit
  :ensure t
  :bind ("C-x g" . magit-status))

;; Easy terminal
(setq my/default-shell (or (executable-find "zsh") (executable-find "bash")))

(defun term-split ()
  "creates terminal window below"
  (interactive)
  (let ((window (split-window-below -7)))
    (select-window window)
    (term my/default-shell)
	(set-window-dedicated-p window t)))

(use-package term
  :bind ("C-x t" . term-split))

(defun term-handle-exit--close-buffer (&rest args)
  (let ((term-window (get-buffer-window "*terminal*")))
	(when (and term-window (window-dedicated-p term-window))
	  (delete-window term-window))))

(advice-add 'term-handle-exit :after #'term-handle-exit--close-buffer)
	

;; tabbing (doesn't really work yet)
(setq-default indent-tabs-mode t)
(setq-default tab-width 4)
(setq-default LateX-indent-level 4)

;; Activate line numbers
(global-linum-mode t)

;; compilation buffer
; Set buffer scrolling
(setq compilation-scroll-output 'first-error)

; kill window if successfull
;(defun bury-compile-buffer-if-successful (buffer string)
; "Bury a compilation buffer if succeeded without warnings "
; (when (and
;         (buffer-live-p buffer)
;         (string-match "compilation" (buffer-name buffer))
;         (string-match "finished" string)
;         (not
;          (with-current-buffer buffer
;            (goto-char (point-min))
;            (search-forward "warning" nil t))))
;    (run-with-timer 1 nil
;                    (lambda (buf)
;                      (bury-buffer buf)
;                      (switch-to-prev-buffer (get-buffer-window buf) 'kill))
;                    buffer)))
;(add-hook 'compilation-finish-functions 'bury-compile-buffer-if-successful)
; set window height
(setq compilation-window-height 10)

(defun my-compilation-hook ()
  (when (not (get-buffer-window "*compilation*"))
    (save-selected-window
      (save-excursion
        (let* ((w (split-window-vertically))
               (h (window-height w)))
          (select-window w)
          (switch-to-buffer "*compilation*")
          (shrink-window (- h compilation-window-height)))))))
(add-hook 'compilation-mode-hook 'my-compilation-hook)

;; Window movement
; Old keys
(global-set-key (kbd "C-x <up>") 'windmove-up)
(global-set-key (kbd "C-x <down>") 'windmove-down)
(global-set-key (kbd "C-x <left>") 'windmove-left)
(global-set-key (kbd "C-x <right>") 'windmove-right)

; New keys
(global-set-key (kbd "<M-up>") 'windmove-up)
(global-set-key (kbd "<M-down>") 'windmove-down)
(global-set-key (kbd "<M-left>") 'windmove-left)
(global-set-key (kbd "<M-right>") 'windmove-right)

(defun cycle-window ()
  "cycles windows"
  (interactive)
  (select-window (next-window)))

(global-set-key (kbd "<C-tab>") 'cycle-window)

;; Latex german
(quail-define-package "latex-german" "UTF-8" "LaGe" t
					  "Transforms umlauts to the better latex notation.
ä -> \"a
ö -> \"o
ü -> \"u
Ä -> \"A
Ö -> \"O
Ü -> \"U
ß -> \"s"
					  nil t nil nil nil nil nil nil nil nil t)
(quail-define-rules
 ("ä" ["\"a"])
 ("ö" ["\"o"])
 ("ü" ["\"u"])
 ("Ä" ["\"A"])
 ("Ö" ["\"O"])
 ("Ü" ["\"U"])
 ("ß" ["\"s"])
)

(add-hook 'latex-mode-hook (lambda ()
			    (set-input-method "latex-german")
			    (local-set-key "\"" 'self-insert-command)))

;; Split windows horizontally preferred
(setq split-height-threshold 6)
(setq split-width-threshold 20)

;; Overlay windows (What does it do?)
(add-to-list 'display-buffer-alist
	     '("*Apropos*" display-buffer-same-window))
(add-to-list 'display-buffer-alist
	     '("*Help*" display-buffer-same-window))

;; Change all prompts to y or n
(fset 'yes-or-no-p 'y-or-n-p)

;; Insert time, german format
(defun datetime-german ()
  (interactive)
  (insert (format-time-string "%d.%m.%Y %H:%M")))

(global-set-key (kbd "C-c C-d") 'datetime-german)

;; Comment fun

;(defun extend-comment ()
;  (interactive)
;  (if (looking-back "//" (line-beginning-position))
;		(progn
;		  (newline-and-indent)
;		  (insert "Hallo Welt"))
;	  (newline-and-indent)))

;; Show in binary and decimal

;(defun hex-popup ()
;  (interactive)
;  (let (hexStr p1 p2)
;	(save-excursion
;	  (search-backward-regexp "[^0-9A-Fa-f]" nil t)
;	  (forward-char)
;	  (setq p1 (point))
;	  (search-forward-regexp "[^0-9A-Fa-f]" nil t)
;	  (backward-char)
;	  (setq p2 (point)))
;	(setq hexStr (buffer-substring-no-properties p1 p2))
;	(message "The hex number is: '%s' '%d' '%d'" hexStr p1 p2)))