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(define-prefix-command 'km/external-map)
(global-set-key (kbd "C-c x") 'km/external-map)
(setq shell-command-switch "-ic"
x-select-enable-clipboard t ; Share clipboard with system.
x-select-enable-primary t
ispell-program-name "aspell"
browse-url-browser-function 'browse-url-generic
browse-url-generic-program "firefox")
;;; Terminals
(defvar km/terminal "urxvt")
(defun km/open-external-terminal ()
(interactive)
(start-process "ext-term" nil km/terminal))
(defun km/zsh-ansi-term (&optional new-buffer)
"Open an ansi-term buffer running ZSH.
The buffer is named according to `default-directory'. If a buffer
of the same name already exists, switch to it unless NEW-BUFFER
is non-nil."
(interactive "P")
(let ((name (concat "zsh:" (abbreviate-file-name default-directory))))
(--if-let (and (not new-buffer)
(get-buffer (concat "*" name "*")))
(switch-to-buffer it)
(ansi-term "/bin/zsh" name))))
(defun km/zsh-ansi-term-other-window (&optional new-buffer)
(interactive "P")
(let (buffer-name)
(save-window-excursion
(setq buffer-name (km/zsh-ansi-term new-buffer)))
(pop-to-buffer buffer-name)))
(define-key km/external-map "a" 'km/zsh-ansi-term)
;; This overrides binding for `add-change-log-entry-other-window'.
(define-key ctl-x-4-map "a" 'km/zsh-ansi-term-other-window)
(define-key km/external-map "t" 'km/open-external-terminal)
(define-key km/external-map "r" 'shell-command-on-region)
(define-key km/external-map "s" 'shell-command)
(define-key km/external-map "S" 'shell)
;;; Compilation
(defadvice compile (around prevent-duplicate-compilation-windows activate)
"Pop to compilation buffer only if it isn't visible.
This is useful for using multiple frames (e.g., with a two
monitor setup)."
(if (get-buffer-window "*compilation*" 'visible)
(save-window-excursion
ad-do-it)
ad-do-it))
(defadvice recompile (around prevent-window-on-compilation activate)
"Prevent recompiling from spawning new windows."
(save-window-excursion
ad-do-it))
(defun km/display-compilation-other-window ()
(interactive)
(--if-let (get-buffer "*compilation*")
(display-buffer it)
(user-error "No compilation buffer")))
(defun km/recompile-current-compilation ()
(interactive)
(--if-let (get-buffer "*compilation*")
(with-current-buffer it
(recompile))
(user-error "No compilation buffer")))
(define-prefix-command 'km/compile-map)
(global-set-key (kbd "C-c c") 'km/compile-map)
(define-key km/compile-map "c" 'compile)
(define-key km/compile-map "g" 'recompile)
(define-key km/compile-map "r" 'km/recompile-current-compilation)
(define-key km/compile-map "o" 'km/display-compilation-other-window)
(key-chord-define-global ",e" 'km/recompile-current-compilation)
;;; Diff
(setq diff-command "/bin/diff"
diff-switches "-u")
(defadvice diff (after diff-select-and-view activate)
(select-window (get-buffer-window "*Diff*"))
(view-mode 1))
(defun km/revert-buffer-and-view ()
(interactive)
(revert-buffer)
(view-mode 1))
(defun km/ediff-with-other-window ()
"Run Ediff on current window's file and other window's file."
(interactive)
(let ((windows (window-list)))
(unless (= (length windows) 2)
(user-error "Function restricted to two-window frames"))
(-if-let* ((file-a (buffer-file-name
(window-buffer (car windows))))
(file-b (buffer-file-name
(window-buffer (cadr windows)))))
(ediff file-a file-b)
(user-error "At least one buffer is not visiting a file"))))
(setq ediff-window-setup-function 'ediff-setup-windows-plain)
(define-key km/external-map "d" 'diff)
(define-key km/external-map "e" 'ediff)
(define-key km/external-map "o" 'km/ediff-with-other-window)
(after 'diff
(define-key diff-mode-map (kbd "C-c C-g") 'km/revert-buffer-and-view))
;;; WebJump
(define-key km/external-map "j" 'webjump)
(setq webjump-sites
'(("Arch User Repository" .
[simple-query "https://aur.archlinux.org"
"https://aur.archlinux.org/packages/?K=" ""])
("DuckDuckGo" .
[simple-query "https://duckduckgo.com"
"https://duckduckgo.com/?q=" ""])
("Emacs Wiki" .
[simple-query "www.emacswiki.org"
"www.emacswiki.org/cgi-bin/wiki/" ""])
("GitHub" . "https://github.com")
("GitHub search" .
[simple-query "https://github.com"
"https://github.com/search?q=" ""])
("Google" .
[simple-query "www.google.com"
"www.google.com/search?q=" ""])
("Google Scholar" .
[simple-query "http://scholar.google.com"
"http://scholar.google.com/scholar?&q=" ""])
("Wikipedia" .
[simple-query "wikipedia.org"
"wikipedia.org/wiki/" ""])))
;;; Misc
(define-key km/external-map "w" 'woman)
(define-key km/external-map "i" 'ispell-buffer)
(provide 'init-external)
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