Commit 2b1070c8 authored by Dan Nicolaescu's avatar Dan Nicolaescu
Browse files

(xterm-turn-on-modify-other-keys)

(xterm-turn-off-modify-other-keys): New functions.
(terminal-init-xterm): Enable the modifyOtherKeys feature if the
terminal supports it.
parent fd5306d2
2007-07-16 Dan Nicolaescu <dann@ics.uci.edu>
* term/xterm.el (xterm-turn-on-modify-other-keys)
(xterm-turn-off-modify-other-keys): New functions.
(terminal-init-xterm): Enable the modifyOtherKeys feature if the
terminal supports it.
2007-07-16 Thien-Thi Nguyen <ttn@gnuvola.org>
* bookmark.el (bookmark-show-all-annotations):
......
......@@ -400,7 +400,37 @@
;; Do it!
(xterm-register-default-colors)
;; This recomputes all the default faces given the colors we've just set up.
(tty-set-up-initial-frame-faces)))
(tty-set-up-initial-frame-faces)
;; Try to turn on the modifyOtherKeys feature on modern xterms.
;; When it is turned on much more key bindings work: things like
;; C-. C-, etc.
;; To do that we need to find out if the current terminal supports
;; modifyOtherKeys. At this time only xterm does.
(let ((coding-system-for-read 'binary)
(chr nil)
(str nil))
;; Try to find out the type of terminal by sending a "Secondary
;; Device Attributes (DA)" query.
(send-string-to-terminal "\e[>0c")
;; The reply should be of the form: \e [ > NUMBER1 ; NUMBER2 ; NUMBER3 c
(when (equal (read-event nil nil 0.1) ?\e)
(when (equal (read-event nil nil 0.1) ?\[)
(while (not (equal (setq chr (read-event nil nil 0.1)) ?c))
(setq str (concat str (string chr))))
(when (string-match ">0;\\([0-9]+\\);0" str)
;; NUMBER2 is the xterm version number, look for something
;; greater than 216, the version when modifyOtherKeys was
;; introduced.
(when (>= (string-to-number
(substring str (match-beginning 1) (match-end 1))) 216)
;; Make sure that the modifyOtherKeys state is restored when
;; suspending, resuming and exiting.
(add-hook 'suspend-hook 'xterm-turn-off-modify-other-keys)
(add-hook 'suspend-resume-hook 'xterm-turn-on-modify-other-keys)
(add-hook 'kill-emacs-hook 'xterm-turn-off-modify-other-keys)
(xterm-turn-on-modify-other-keys))))))))
;; Set up colors, for those versions of xterm that support it.
(defvar xterm-standard-colors
......@@ -518,5 +548,13 @@ versions of xterm."
;; right colors, so clear them.
(clear-face-cache)))
(defun xterm-turn-on-modify-other-keys ()
"Turn on the modifyOtherKeys feature of xterm."
(send-string-to-terminal "\e[>4;1m"))
(defun xterm-turn-off-modify-other-keys ()
"Turn off the modifyOtherKeys feature of xterm."
(send-string-to-terminal "\e[>4m"))
;; arch-tag: 12e7ebdd-1e6c-4b25-b0f9-35ace25e855a
;;; xterm.el ends here
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