--- /dev/null
+;; https://hugoheden.wordpress.com/2009/03/08/copypaste-with-emacs-in-terminal/
+;; I prefer using the "clipboard" selection (the one the
+;; typically is used by c-c/c-v) before the primary selection
+;; (that uses mouse-select/middle-button-click)
+(setq x-select-enable-clipboard t)
+
+;; If emacs is run in a terminal, the clipboard- functions have no
+;; effect. Instead, we use of xsel, see
+;; http://www.vergenet.net/~conrad/software/xsel/ -- "a command-line
+;; program for getting and setting the contents of the X selection"
+(unless window-system
+ (when (getenv "DISPLAY")
+ ;; Callback for when user cuts
+ (defun xsel-cut-function (text &optional push)
+ ;; Insert text to temp-buffer, and "send" content to xsel stdin
+ (with-temp-buffer
+ (insert text)
+ ;; I prefer using the "clipboard" selection (the one the
+ ;; typically is used by c-c/c-v) before the primary selection
+ ;; (that uses mouse-select/middle-button-click)
+ (call-process-region (point-min) (point-max) "xsel" nil 0 nil "--clipboard" "--input")))
+ ;; Call back for when user pastes
+ (defun xsel-paste-function()
+ ;; Find out what is current selection by xsel. If it is different
+ ;; from the top of the kill-ring (car kill-ring), then return
+ ;; it. Else, nil is returned, so whatever is in the top of the
+ ;; kill-ring will be used.
+ (let ((xsel-output (shell-command-to-string "xsel --clipboard --output")))
+ (unless (string= (car kill-ring) xsel-output)
+ xsel-output )))
+ (defun xsel-noop-paste-function()
+ ;; this version will not paste from xsel. This is often not required, since C-S-v or
+ ;; middle-mouse-click will do the same.
+ nil)
+ ;; Attach callbacks to hooks
+ (setq interprogram-cut-function 'xsel-cut-function)
+ (setq interprogram-paste-function 'xsel-noop-paste-function)
+ ;; Idea from
+ ;; http://shreevatsa.wordpress.com/2006/10/22/emacs-copypaste-and-x/
+ ;; http://www.mail-archive.com/help-gnu-emacs@gnu.org/msg03577.html
+ ))