554 lines
17 KiB
Org Mode
554 lines
17 KiB
Org Mode
#+TITLE: Emacs init
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#+LINK: yoshi-theme http://ryuslash.org/projects/yoshi-theme.html
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#+OPTIONS: author:nil num:nil
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#+PROPERTY: tangle init2.el
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#+STARTUP: showall
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Disable the ~menu-bar-mode~, ~tool-bar-mode~ and ~scroll-bar-mode~ early on
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so the disappear quickly after emacs starts up.
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#+BEGIN_SRC emacs-lisp
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(menu-bar-mode -1)
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(scroll-bar-mode -1)
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(tool-bar-mode -1)
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#+END_SRC
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Define a macro for deferring code until after emacs has started up.
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#+BEGIN_SRC emacs-lisp
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(defmacro eval-after-init (&rest body)
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"Defer execution of BODY until after Emacs init."
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`(add-hook 'emacs-startup-hook #'(lambda () ,@body)))
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#+END_SRC
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Add ~/usr/share/emacs/site-lisp~ and
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~/usr/local/emacs/share/emacs/site-lisp~ and all their sub-directories
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to the ~load-path~ so I can use modules from both Emacs from the
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official repository *and* the self-compiled one.
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This should be done both when compiling the elisp file and when
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loading it so it doesn't complain about missing modules and such.
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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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Defer loading my theme until after emacs initialization. This is
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because it has been installed with ~package.el~, and the packages aren't
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added to the ~load-path~ until _after_ ~init.el~ has been run through.
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#+BEGIN_SRC emacs-lisp
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(eval-after-init (load-theme 'yoshi t))
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#+END_SRC
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Add some of my project directories and other important directories
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into ~load-path~ so I can easily load libraries in them. Also, if it
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exists, load ~loaddefs.el~ in each directory for autoloads.
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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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"/usr/local/org-mode/share/emacs/site-lisp/org"))
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#+END_SRC
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Replace the question of ~yes~ or ~no~ with just ~y~ or ~n~, I have never (yet)
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accidentally typed a ~y~ or ~n~ when asked and typing ~yes~ or ~no~ is just
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too much work.
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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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Replace these functions with better alternatives. They offer the same
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functionality, plus more.
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#+BEGIN_SRC emacs-lisp
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(defalias 'list-buffers 'ibuffer)
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(defalias 'dabbrev-expand 'hippie-expand)
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#+END_SRC
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#+BEGIN_SRC emacs-lisp
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(setq compilation-scroll-output t)
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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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* svg-mode-line-themes
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After Emacs has initialized, enable =svg-mode-line-themes= and select
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a theme.
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#+BEGIN_SRC emacs-lisp
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(defun oni:smt/minor-mode-indicator-text (widget)
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(let ((text (concat
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(when (bound-and-true-p auto-complete-mode) "C")
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(when (bound-and-true-p auto-fill-mode) "F")
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(when (bound-and-true-p eldoc-mode) "D"))))
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(if (plusp (length text))
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(concat " " text)
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"")))
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(defun oni:jabber-activity (widget)
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(when (boundp 'jabber-activity-mode-string)
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(concat jabber-activity-mode-string " ")))
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(eval-after-load "svg-mode-line-themes"
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'(progn
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(smt/defwidget oni:jabber-activity-widget
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:text 'oni:jabber-activity)
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(smt/defrow oni:default-right
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:widgets '(oni:jabber-activity-widget major-mode version-control
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minor-modes)
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:align "right"
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:margin 14)
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(smt/deftheme yoshi
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:prototype 'black-crystal
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:local-widgets
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(lambda (theme)
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(let ((parent-local-widgets
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(smt/t-local-widgets (smt/t-prototype theme))))
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(append
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(list (cons 'minor-modes
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(smt/make-widget
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:prototye 'minor-modes
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:text 'oni:smt/minor-mode-indicator-text)))
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parent-local-widgets)))
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:rows '(default-left default-position oni:default-right))))
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(defun oni:enable-svg-mode-line-theme ()
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"Enable `svg-mode-line-theme' and select a theme."
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(smt/enable)
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(smt/set-theme 'yoshi))
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(add-hook 'emacs-startup-hook 'oni:enable-svg-mode-line-theme)
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#+END_SRC
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* bidi
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Disable bi-directional text, since I don't write right-to-left
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myself and I don't know anyone who does. I have read that it is a
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bad idea to disable it completely, but forcing left-to-right should
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help.
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#+BEGIN_SRC emacs-lisp
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(setq-default bidi-paragraph-direction 'left-to-right)
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#+END_SRC
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* disabled
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There are some functions which get disabled by default because they
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"confuse new users", but these I like using.
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#+BEGIN_SRC emacs-lisp
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(put 'upcase-region 'disabled nil)
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(put 'downcase-region 'disabled nil)
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(put 'narrow-to-region 'disabled nil)
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(put 'scroll-left 'disabled nil)
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#+END_SRC
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* jabber
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Don't echo presence updates in the message area.
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#+BEGIN_SRC emacs-lisp
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(defun oni:jabber-init ()
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"Initialization function for jabber."
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(remove-hook 'jabber-alert-presence-hooks 'jabber-presence-echo))
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(eval-after-load "jabber" '(oni:jabber-init))
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#+END_SRC
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Require ~jabber-libnotify~ so we can use its alert functions.
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#+BEGIN_SRC emacs-lisp
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(require 'jabber-libnotify)
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#+END_SRC
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Enable libnotify alerts for regular and mutli-user chats, this is
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preferable to seeing them in the echo area.
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#+BEGIN_SRC emacs-lisp
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(add-hook 'jabber-alert-message-hooks 'jabber-message-libnotify)
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(add-hook 'jabber-alert-muc-hooks 'jabber-muc-libnotify)
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#+END_SRC
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Keep track of what was said to and by my contacts, both for
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"personal" chats and muc chats.
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#+BEGIN_SRC emacs-lisp
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(setq jabber-history-enabled t
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jabber-history-muc-enabled t)
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#+END_SRC
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Store history on a per-contact basis and keep these files in
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~$HOME/.emacs.d/jabber-hist~.
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#+BEGIN_SRC emacs-lisp
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(setq jabber-use-global-history nil
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jabber-history-dir "~/.emacs.d/jabber-hist")
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#+END_SRC
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Add some accounts.
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#+BEGIN_SRC emacs-lisp
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(setq jabber-account-list '(("ryuslash@jabber.org")
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("tom@ryuslash.org/drd"
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(:connection-type . ssl))))
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#+END_SRC
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* ido
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Keep some buffers from showing up when using ido-mode. Either these
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get used very rarely or they don't have any really useful
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information in them.
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#+BEGIN_SRC emacs-lisp
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(defun oni:ido-init ()
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"Initialization functionn for ido."
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(setq ido-ignore-buffers
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(list "^\\` " "^irc\\." "^\\#" "^\\*Customize Option:"
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(eval-when-compile
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(regexp-opt
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'("*-jabber-roster-*"
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"*Messages*"
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"*fsm-debug*"
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"*magit-process*"
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"*magit-edit-log*"
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"*Backtrace*"
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"*Ibuffer*"))))))
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(eval-after-load "ido" '(oni:ido-init))
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#+END_SRC
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Ido tries to be smart and find files in other directories, I don't
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like that, stop doing that (or at least wait a long time).
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#+BEGIN_SRC emacs-lisp
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(setq ido-auto-merge-delay-time 1000000)
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#+END_SRC
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Open files in the selected window when switching between buffers.
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#+BEGIN_SRC emacs-lisp
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(setq ido-default-buffer-method 'selected-window)
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#+END_SRC
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Only ever show one line of possibilities when using ido. I hate it
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when the minibuffer grows.
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#+BEGIN_SRC emacs-lisp
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(setq ido-max-window-height 1)
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#+END_SRC
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Don't save ido state between invocations.
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#+BEGIN_SRC emacs-lisp
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(setq ido-save-directory-list-file nil)
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#+END_SRC
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Enable =ido-mode=.
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#+BEGIN_SRC emacs-lisp
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|
(ido-mode)
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#+END_SRC
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** ido-ubiquitous
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Don't use ido when calling =org-refile= or =org-capture-refile=.
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#+BEGIN_SRC emacs-lisp
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|
(setq ido-ubiquitous-command-exceptions
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|
'(org-refile org-capture-refile))
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|
#+END_SRC
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|
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|
Enable =ido-ubiquitous=.
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|
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#+BEGIN_SRC emacs-lisp
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|
(add-hook 'emacs-startup-hook 'ido-ubiquitous-mode)
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#+END_SRC
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** idomenu
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Call =idomenu= with ~M-n~.
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#+BEGIN_SRC emacs-lisp
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|
(global-set-key (kbd "M-n") 'idomenu)
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|
#+END_SRC
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