426 lines
13 KiB
Org Mode
426 lines
13 KiB
Org Mode
#+TITLE: Emacs init
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#+OPTIONS: author:nil num:nil
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#+STARTUP: showall
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#+LINK: yoshi-theme http://ryuslash.org/projects/yoshi-theme.html
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#+PROPERTY: tangle init2.el
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* GUI
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These things should happen early, so that Emacs will look the way I
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want it to as quickly as is possible.
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** menu-bar-mode
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Disable =menu-bar-mode= since I haven't used the menu bar much ever,
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even when I first started using Emacs.
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#+BEGIN_SRC emacs-lisp
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(menu-bar-mode -1)
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#+END_SRC
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** scroll-bar-mode
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Since Emacs gives a pretty good indication of where in the buffer
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I'm working I really don't need to have the scroll bar visible.
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#+BEGIN_SRC emacs-lisp
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(scroll-bar-mode -1)
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#+END_SRC
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** tool-bar-mode
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I've never used the tool bar much, so remove it.
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#+BEGIN_SRC emacs-lisp
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(tool-bar-mode -1)
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#+END_SRC
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* load-path
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Before doing anything else I should make sure that both the
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directories ~/usr/local/emacs/share/emacs/site-lisp~ and
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~/usr/share/emacs/site-list~ are included in =load-path=, along with
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their subdirectories, but only if they haven't already been added
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and exist. Place them at the end of =load-path= so they don't mess up
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package precedence.
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#+BEGIN_SRC emacs-lisp
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(eval-and-compile
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(defun oni:path-init (dir)
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"Add DIR to `load-path' and all its subdirectories, unless
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DIR is already in `load-path'."
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(unless (or (member dir load-path) (not (file-exists-p dir)))
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(let ((default-directory dir))
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(add-to-list 'load-path dir t)
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(normal-top-level-add-subdirs-to-load-path))))
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(oni:path-init "/usr/share/emacs/site-lisp")
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(oni:path-init "/usr/local/emacs/share/emacs/site-lisp"))
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#+END_SRC
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Add my project [[yoshi-theme]] to =custom-theme-load-path= and load it.
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#+BEGIN_SRC emacs-lisp
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(add-to-list 'custom-theme-load-path "~/projects/emacs/yoshi-theme/")
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(load-theme 'yoshi t)
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#+END_SRC
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Add any other interesting paths to =load-path= and, if it exists,
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load the ~loaddefs.el~ file from these directories.
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#+BEGIN_SRC emacs-lisp
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(mapc #'(lambda (dir)
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(add-to-list 'load-path dir)
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(let ((loaddefs (concat dir "/loaddefs.el")))
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(when (file-exists-p loaddefs)
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(load loaddefs))))
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'("~/projects/emacs/mode-icons" "~/.emacs.d/site-lisp"
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"~/projects/emacs/pony-mode/src" "~/projects/emacs/php-mode"))
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#+END_SRC
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* y-or-n-p
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Don't ask ~yes~ or ~no~, ask ~y~ or ~n~, I've never had an accidental ~y~ so
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far.
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#+BEGIN_SRC emacs-lisp
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(defalias 'yes-or-no-p 'y-or-n-p)
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#+END_SRC
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* ibuffer
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Use =ibuffer= instead of the default =list-buffers= because it has many
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more features.
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#+BEGIN_SRC emacs-lisp
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(defalias 'list-buffers 'ibuffer)
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#+END_SRC
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* hippie-expand
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Do the same with =hippie-expand= and =dabbrev-expand=.
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#+BEGIN_SRC emacs-lisp
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(defalias 'dabbrev-expand 'hippie-expand)
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#+END_SRC
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* eldoc
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Don't show it when ~eldoc~ is running, I almost assume that it is
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whenever I'm working in a mode that supports it anyway. This should
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only execute once ~eldoc~ has been loaded.
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#+BEGIN_SRC emacs-lisp
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(eval-after-load "eldoc" '(diminish 'eldoc-mode))
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#+END_SRC
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* emms
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Use the standard EMMS configuration and add some MPD settings.
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#+BEGIN_SRC emacs-lisp
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(defun oni:emms-init ()
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"Initialization function for EMMS."
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(require 'emms-setup)
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(require 'emms-player-mpd)
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(emms-standard)
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(add-to-list 'emms-info-functions 'emms-info-mpd)
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(add-to-list 'emms-player-list 'emms-player-mpd)
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(setq emms-player-mpd-server-name "localhost")
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(setq emms-player-mpd-server-port "6600")
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(setq emms-player-mpd-music-directory "/mnt/music/mp3"))
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(eval-after-load "emms-source-file" '(oni:emms-init))
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(setq emms-source-file-default-directory "/mnt/music/")
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#+END_SRC
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Add some keybindings for EMMS.
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#+BEGIN_SRC emacs-lisp
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(defun oni:emms-toggle-playing ()
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"Toggle between playing/paused states."
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(interactive)
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(if (eq emms-player-playing-p nil)
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(emms-start)
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(emms-pause)))
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(defun oni:start-emms ()
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"Check to see if the function `emms' exists, if not call
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`emms-player-mpd-connect' and assume that will have loaded it."
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(interactive)
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(unless (fboundp 'emms)
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(emms-player-mpd-connect))
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(emms))
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(global-set-key (kbd "<XF86AudioNext>") 'emms-next)
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(global-set-key (kbd "<XF86AudioPlay>") 'oni:emms-toggle-playing)
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(global-set-key (kbd "<XF86AudioPrev>") 'emms-previous)
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(global-set-key (kbd "<XF86AudioStop>") 'emms-stop)
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(global-set-key (kbd "<XF86Tools>") 'oni:start-emms)
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#+END_SRC
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* flymake
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Load ~flymake-cursor~ after loading ~flymake~, add Python and Go to
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"allowed" files and add go error output to error patterns.
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#+BEGIN_SRC emacs-lisp
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(defun oni:flymake-init ()
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"Initialization function for flymake."
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(require 'flymake-cursor)
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(add-to-list ; Make sure pyflakes is loaded
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'flymake-allowed-file-name-masks ; for python files.
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'("\\.py\\'" ext:flymake-pyflakes-init))
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(add-to-list ; Error line repexp for go
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'flymake-err-line-patterns ; compilation.
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'("^\\([a-zA-Z0-9_]+\\.go\\):\\([0-9]+\\):\\(.*\\)$"
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1 2 nil 3))
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(add-to-list ; Go uses makefiles, makes
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'flymake-allowed-file-name-masks ; flymaking 'easy'.
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'("\\.go$" flymake-simple-make-init)))
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(eval-after-load "flymake" '(oni:flymake-init))
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#+END_SRC
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Disable the GUI for flymake errors. This causes the flymake errors
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to be shown in the minibuffer.
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#+BEGIN_SRC emacs-lisp
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(setq flymake-gui-warnings-enabled nil)
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#+END_SRC
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Add a bunch of pep8, flymake and pyflakes messages to warning and
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info patterns, set the log file to somewhere in my home directory
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and set logging level to 0.
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#+BEGIN_SRC emacs-lisp
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(setq flymake-info-line-regexp
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(eval-when-compile
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(regexp-opt
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'("Invalid name"
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"String statement has no effect"
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"Missing docstring"
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"Empty docstring"
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"multiple imports on one line"
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"expected 2 blank lines, found 1"
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"expected 2 blank lines, found 0"
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"TODO:"
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"whitespace after '{'"
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"whitespace before '}'"
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"whitespace before ':'"
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"whitespace after '('"
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"whitespace before ')'"
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"whitespace after '['"
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"whitespace before ']'"
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"the backslash is redundant between brackets"
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"continuation line over-indented for visual indent"
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"continuation line under-indented for visual indent"
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"Too many statements"
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"comparison to None should be"
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"missing whitespace around operator"
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"missing whitespace after ','"
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"line too long"
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"at least two spaces before inline comment"
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"trailing whitespace"
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"imported but unused"
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"Unused import"
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"too many blank lines"))))
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(setq flymake-log-file-name (expand-file-name "~/.emacs.d/flymake.log"))
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(setq flymake-log-level 0)
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(setq flymake-warn-line-regexp
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(eval-when-compile
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(regexp-opt '("warning"
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"Warning"
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"redefinition of unused"
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"Redefining built-in"
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"Redefining name"
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"Unused argument"
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"Unused variable"
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"Dangerous default value {} as argument"
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"no newline at end of file"
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"Access to a protected member"))))
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#+END_SRC
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* flycheck
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After loading ~flycheck~ Remove the default python checkers and
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replace them with my own, which tries both ~flake8~ and ~pylint~.
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#+BEGIN_SRC emacs-lisp
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(eval-after-load "flycheck"
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'(progn
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(mapc (lambda (c) (delete c flycheck-checkers))
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'(python-pylint python-pyflakes))))
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#+END_SRC
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* pretty-control-l-mode
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Make the ~C-l~ look like a line of ~-~ up to =fill-column= or
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=fci-rule-column= and remove the string displayed before the ~C-l~.
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#+BEGIN_SRC emacs-lisp
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(defun oni:pretty-control-l-function (win)
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"Just make a string of either `fci-rule-column' or
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`fill-column' length -1. Use the `-' character. WIN is ignored."
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(make-string
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(1- (if (boundp 'fci-rule-column)
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fci-rule-column fill-column)) ?-))
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(setq pp^L-^L-string-function 'oni:pretty-control-l-function)
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#+END_SRC
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Remove the string displayed before the ~C-l~.
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#+BEGIN_SRC emacs-lisp
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(setq pp^L-^L-string-pre nil)
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#+END_SRC
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Enable =pretty-control-l-mode= at startup and whenever a new frame is
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created.
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#+BEGIN_SRC emacs-lisp
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(add-hook 'emacs-startup-hook 'pretty-control-l-mode)
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(add-hook 'after-make-frame-functions
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'(lambda (arg) (pretty-control-l-mode)))
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#+END_SRC
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* erc
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Automatically join some channels when connecting to freenode.net.
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#+BEGIN_SRC emacs-lisp
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(setq erc-autojoin-channels-alist
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'(("freenode.net" "#ninthfloor" "#emacs")))
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#+END_SRC
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Don't show ~PART~ messages.
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#+BEGIN_SRC emacs-lisp
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(setq erc-hide-list '("PART"))
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#+END_SRC
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Insert a timestamp every time a message comes in, print it on the
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left and print the hour and minute parts of the time.
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#+BEGIN_SRC emacs-lisp
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(setq erc-insert-timestamp-function 'erc-insert-timestamp-left)
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(setq erc-timestamp-format "[%H:%M] ")
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(setq erc-timestamp-only-if-changed-flag nil)
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#+END_SRC
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Set my nickname.
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#+BEGIN_SRC emacs-lisp
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(setq erc-nick "ryuslash")
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#+END_SRC
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When starting ERC disable truncating lines, don't let ERC fill each
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line and enable =visual-line-mode=.
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#+BEGIN_SRC emacs-lisp
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(defun oni:erc-mode-func ()
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"Function for `erc-mode-hook'."
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(erc-fill-mode -1)
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(visual-line-mode)
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(setq truncate-lines nil))
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(add-hook 'erc-mode-hook 'oni:erc-mode-func)
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#+END_SRC
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* eshell
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Add ~unison~ to the list of =eshell-visual-commands= because it
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expects unbuffered input and eshell just doesn't give that.
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#+BEGIN_SRC emacs-lisp
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(eval-after-load "em-term"
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'(add-to-list 'eshell-visual-commands "unison"))
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#+END_SRC
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Don't let eshell highlight it's prompt, this way I can decide the
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colors for it myself.
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#+BEGIN_SRC emacs-lisp
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(setq eshell-highlight-prompt nil)
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#+END_SRC
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In the prompt:
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- Show the exit status of the last program/command run represented
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by a green ~+~ and a red ~-~ sign.
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- Show the current hostname with the =mode-line-buffer-id= face.
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- Show an abbreviation of the current directory (as seen in ~fish~)
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using the =font-lock-string-face= face.
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- If we're in a git repository, show the current branch with the
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=font-lock-function-name-face= face.
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- Show the status of priviledges in blue.
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And set the =eshell-prompt-regexp= to
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#+BEGIN_SRC emacs-lisp
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(defun oni:eshell-prompt-function ()
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"Show a pretty shell prompt."
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(let ((status (if (zerop eshell-last-command-status) ?+ ?-))
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(hostname (shell-command-to-string "hostname"))
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(dir (abbreviate-file-name (eshell/pwd)))
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(branch
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(shell-command-to-string
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"git branch --contains HEAD 2>/dev/null | sed -e '/^[^*]/d'"))
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(userstatus (if (zerop (user-uid)) ?# ?$)))
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(concat
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(propertize (char-to-string status)
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'face `(:foreground ,(if (= status ?+)
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"green"
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"red")))
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" "
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(propertize (substring hostname 0 -1) 'face 'mode-line-buffer-id)
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" "
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(propertize (oni:shorten-dir dir) 'face 'font-lock-string-face)
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" "
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(when (not (string= branch ""))
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(propertize
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;; Cut off "* " and "\n"
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(substring branch 2 -1)
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'face 'font-lock-function-name-face))
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" \n"
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(propertize (char-to-string userstatus)
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'face `(:foreground "blue"))
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"> ")))
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(setq eshell-prompt-function 'oni:eshell-prompt-function
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eshell-prompt-regexp "^[#$]> ")
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#+END_SRC
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Don't truncate lines in eshell, wrap them.
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#+BEGIN_SRC emacs-lisp
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(defun oni:eshell-mode-func ()
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"Function for `eshell-mode-hook'."
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(setq truncate-lines nil))
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(add-hook 'eshell-mode-hook 'oni:eshell-mode-func)
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#+END_SRC
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Bind the ~f8~ key to easily show eshell.
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#+BEGIN_SRC emacs-lisp
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(defun oni:raise-eshell ()
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"Start or switch back to `eshell'.
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Also change directories to current working directory."
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(interactive)
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(let ((dir (file-name-directory
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(or (buffer-file-name) "~/")))
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(hasfile (not (eq (buffer-file-name) nil))))
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(eshell)
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(if (and hasfile (eq eshell-process-list nil))
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(progn
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(eshell/cd dir)
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(eshell-reset)))))
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(global-set-key (kbd "<f8>") 'oni:raise-eshell)
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#+END_SRC
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