emacs: split init.el into different files

The init.el was about to surpass the 1000 LoC threshold, and it was no
longer easy to structure the code. Thus, I've moved the different pieces
into new files.

Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>

1 files changed, 193 insertions, 0 deletions

diff --git a/emacs/settings/init-lang.el b/emacs/settings/init-lang.el
new file mode 100644
index 0000000..e53b969
--- /dev/null
+++ b/emacs/settings/init-lang.el
@@ -0,0 +1,193 @@
+;;; init-lang.el --- Settings for all programming languages
+
+;; Copyright (C) 2016 Miquel Sabaté Solà <mikisabate@gmail.com>
+;;
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;;; Commentary:
+;;
+;; Settings for all programming languages.
+
+;;; Code:
+
+(require 'use-package)
+
+(defun warnings-mode-hook ()
+  "Hook for enabling the warning face on strings with a warning prefix."
+
+  (font-lock-add-keywords nil
+    '(("\\(XXX\\|FIXME\\|TODO\\|HACK\\|NOTE\\)"
+    1 font-lock-warning-face prepend))))
+
+;; Text mode.
+(add-hook 'text-mode-hook (lambda () (flyspell-mode 1)))
+
+;; Emacs Lisp mode
+(add-hook 'emacs-lisp-mode-hook 'eldoc-mode)
+(add-hook 'emacs-lisp-mode-hook 'warnings-mode-hook)
+(add-hook 'emacs-lisp-mode-hook #'rainbow-delimiters-mode)
+
+;; C-common (it includes languages with a similar syntax of C).
+(add-hook 'c-mode-common-hook 'warnings-mode-hook)
+(add-hook 'c-mode-common-hook (lambda() (flyspell-prog-mode)))
+
+;; C
+(add-hook 'c-mode-hook
+  (lambda () (setq indent-tabs-mode t)))
+
+;; C++
+(add-hook 'c++-mode-hook
+  (lambda () (setq indent-tabs-mode t)))
+
+;; Ruby mode
+(add-hook 'ruby-mode-hook 'warnings-mode-hook)
+
+(defun mssola-go-mode ()
+  "My configuration for Go mode."
+
+  ; Use goimports instead of go-fmt
+  (setq gofmt-command "goimports")
+
+  ; Call Gofmt before saving
+  (add-hook 'before-save-hook 'gofmt-before-save)
+
+  ; Integration flycheck with Go
+  (add-to-list 'load-path
+    (concat (getenv "GOPATH") "/src/github.com/dougm/goflymake"))
+  (require 'go-flycheck)
+
+  (evil-leader/set-key
+    "." 'godef-jump-other-window)
+
+  (setq indent-tabs-mode t)
+  (flyspell-prog-mode)
+
+  ; eldoc support
+  (use-package go-eldoc
+    :ensure t
+    :config
+    (require 'go-eldoc))
+
+  (use-package go-add-tags
+    :ensure t
+    :config
+    (evil-leader/set-key "t" 'go-add-tags)))
+
+;; Go
+(use-package go-mode
+  :ensure t
+  :pin melpa-stable
+  :config
+
+  (add-hook 'go-mode-hook 'warnings-mode-hook)
+  (add-hook 'go-mode-hook 'go-eldoc-setup)
+  (add-hook 'go-mode-hook 'mssola-go-mode))
+
+;; Smart tabs
+(use-package smart-tabs-mode
+  :ensure t
+  :config
+  (smart-tabs-add-language-support golang go-mode-hook
+    ((c-indent-line . c-basic-offset)
+     (c-indent-region . c-basic-offset)))
+  (smart-tabs-insinuate 'c 'c++ 'golang))
+
+;; Markdown mode with preview mode in the browser.
+(use-package markdown-mode
+  :ensure t
+  :config
+
+  ; This is the one that I got from openSUSE.
+  (custom-set-variables
+    '(markdown-command "/usr/bin/markdown-calibre"))
+
+  ; Preview mode does its things through websockets, so it's a requirement.
+  ; After that, we can safely require it.
+  (use-package websocket
+    :ensure t
+    :config
+    (use-package markdown-preview-mode
+      :ensure t)))
+
+; Slim
+(use-package slim-mode
+  :ensure t)
+
+; YAML
+(use-package yaml-mode
+  :ensure t
+  :config
+
+  (add-hook 'yaml-mode-hook 'warnings-mode-hook))
+
+; SASS/SCSS
+(use-package scss-mode
+  :ensure t
+  :config
+
+  (setq scss-compile-at-save nil)
+  (add-hook 'yaml-mode-hook 'warnings-mode-hook))
+
+; Apply purple function identifiers to all these languages.
+(dolist (lang-hook '(ruby-mode-hook
+                     php-mode-hook
+                     perl-mode-hook
+                     emacs-lisp-mode-hook))
+  (add-hook lang-hook 'soria-purple-identifiers))
+
+;; YASnippet
+(use-package yasnippet
+  :ensure t
+  :config
+  (yas-reload-all)
+  (add-hook 'prog-mode-hook #'yas-minor-mode))
+
+;; CMake
+(use-package cmake-mode
+  :ensure t
+  :config
+
+  (setq auto-mode-alist
+        (append
+         '(("CMakeLists\\.txt\\'" . cmake-mode))
+         '(("\\.cmake\\'" . cmake-mode))
+         auto-mode-alist))
+
+  (use-package cmake-font-lock
+    :ensure t
+    :config
+
+    (add-hook 'cmake-mode-hook 'cmake-font-lock-activate)
+    (add-hook 'yaml-mode-hook 'warnings-mode-hook)))
+
+(use-package dockerfile-mode
+  :ensure t
+  :config
+
+  (add-to-list 'auto-mode-alist '("Dockerfile\\'" . dockerfile-mode)))
+
+(use-package terraform-mode
+  :ensure t
+  :config
+
+  (terraform-format-on-save-mode))
+
+(use-package hcl-mode
+  :ensure t)
+
+(use-package salt-mode
+  :ensure t)
+
+(use-package php-mode
+  :ensure t)
+
+(provide 'init-lang)
+;;; init-lang.el ends here