;; Keywords: internal
;; Copyright (C) 1993, 1994, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
-;; 2008, 2009 Free Software Foundation, Inc.
+;; 2008, 2009, 2010 Free Software Foundation, Inc.
;; Based partially on earlier release by Lucid.
;; This file is part of GNU Emacs.
(selection &optional time))
(defun x-set-selection (type data)
- "Make an X Windows selection of type TYPE and value DATA.
+ "Make an X selection of type TYPE and value DATA.
The argument TYPE (nil means `PRIMARY') says which selection, and
DATA specifies the contents. TYPE must be a symbol. \(It can also
be a string, which stands for the symbol with that name, but this
Interactively, this command sets the primary selection. Without
prefix argument, it reads the selection in the minibuffer. With
-prefix argument, it uses the text of the region as the selection value ."
+prefix argument, it uses the text of the region as the selection value.
+
+Note that on MS-Windows, primary and secondary selections set by Emacs
+are not available to other programs."
(interactive (if (not current-prefix-arg)
(list 'PRIMARY (read-string "Set text for pasting: "))
(list 'PRIMARY (buffer-substring (region-beginning) (region-end)))))
- ;; This is for temporary compatibility with pre-release Emacs 19.
- (if (stringp type)
- (setq type (intern type)))
+ (if (stringp type) (setq type (intern type)))
(or (x-valid-simple-selection-p data)
(and (vectorp data)
(let ((valid t)
data)
(defun x-valid-simple-selection-p (data)
- (or (stringp data)
- (symbolp data)
- (integerp data)
- (and (consp data)
- (integerp (car data))
- (or (integerp (cdr data))
- (and (consp (cdr data))
- (integerp (car (cdr data))))))
- (overlayp data)
+ (or (bufferp data)
(and (consp data)
(markerp (car data))
(markerp (cdr data))
(marker-buffer (car data))
- (marker-buffer (cdr data))
- (eq (marker-buffer (car data))
- (marker-buffer (cdr data)))
(buffer-name (marker-buffer (car data)))
- (buffer-name (marker-buffer (cdr data))))))
+ (eq (marker-buffer (car data))
+ (marker-buffer (cdr data))))
+ (stringp data)
+ (and (overlayp data)
+ (overlay-buffer data)
+ (buffer-name (overlay-buffer data)))
+ (symbolp data)
+ (integerp data)))
\f
;;; Cut Buffer support
;; Every selection type that Emacs handles is implemented this way, except
;; for TIMESTAMP, which is a special case.
+(defun xselect--selection-bounds (value)
+ "Return bounds of X selection value VALUE.
+The return value is a list (BEG END BUF) if VALUE is a cons of
+two markers or an overlay. Otherwise, it is nil."
+ (cond ((bufferp value)
+ (with-current-buffer value
+ (when (mark t)
+ (list (mark t) (point) value))))
+ ((and (consp value)
+ (markerp (car value))
+ (markerp (cdr value)))
+ (when (and (marker-buffer (car value))
+ (buffer-name (marker-buffer (car value)))
+ (eq (marker-buffer (car value))
+ (marker-buffer (cdr value))))
+ (list (marker-position (car value))
+ (marker-position (cdr value))
+ (marker-buffer (car value)))))
+ ((overlayp value)
+ (when (overlay-buffer value)
+ (list (overlay-start value)
+ (overlay-end value)
+ (overlay-buffer value))))))
+
+(defun xselect--int-to-cons (n)
+ (cons (ash n -16) (logand n 65535)))
+
(defun xselect-convert-to-string (selection type value)
(let (str coding)
;; Get the actual string from VALUE.
(cond ((stringp value)
(setq str value))
-
- ((overlayp value)
- (save-excursion
- (or (buffer-name (overlay-buffer value))
- (error "selection is in a killed buffer"))
- (set-buffer (overlay-buffer value))
- (setq str (buffer-substring (overlay-start value)
- (overlay-end value)))))
- ((and (consp value)
- (markerp (car value))
- (markerp (cdr value)))
- (or (eq (marker-buffer (car value)) (marker-buffer (cdr value)))
- (signal 'error
- (list "markers must be in the same buffer"
- (car value) (cdr value))))
- (save-excursion
- (set-buffer (or (marker-buffer (car value))
- (error "selection is in a killed buffer")))
- (setq str (buffer-substring (car value) (cdr value))))))
-
+ ((setq value (xselect--selection-bounds value))
+ (with-current-buffer (nth 2 value)
+ (setq str (buffer-substring (nth 0 value)
+ (nth 1 value))))))
(when str
;; If TYPE is nil, this is a local request, thus return STR as
;; is. Otherwise, encode STR.
(setq str (string-make-unibyte str)))
(t
- (error "Unknow selection type: %S" type))
- )))
+ (error "Unknown selection type: %S" type)))))
(setq next-selection-coding-system nil)
(cons type str))))
-
(defun xselect-convert-to-length (selection type value)
- (let ((value
- (cond ((stringp value)
- (length value))
- ((overlayp value)
- (abs (- (overlay-end value) (overlay-start value))))
- ((and (consp value)
- (markerp (car value))
- (markerp (cdr value)))
- (or (eq (marker-buffer (car value))
- (marker-buffer (cdr value)))
- (signal 'error
- (list "markers must be in the same buffer"
- (car value) (cdr value))))
- (abs (- (car value) (cdr value)))))))
- (if value ; force it to be in 32-bit format.
- (cons (ash value -16) (logand value 65535))
- nil)))
+ (let ((len (cond ((stringp value)
+ (length value))
+ ((setq value (xselect--selection-bounds value))
+ (abs (- (nth 0 value) (nth 1 value)))))))
+ (if len
+ (xselect--int-to-cons len))))
(defun xselect-convert-to-targets (selection type value)
;; return a vector of atoms, but remove duplicates first.
'NULL)
(defun xselect-convert-to-filename (selection type value)
- (cond ((overlayp value)
- (buffer-file-name (or (overlay-buffer value)
- (error "selection is in a killed buffer"))))
- ((and (consp value)
- (markerp (car value))
- (markerp (cdr value)))
- (buffer-file-name (or (marker-buffer (car value))
- (error "selection is in a killed buffer"))))
- (t nil)))
+ (when (setq value (xselect--selection-bounds value))
+ (buffer-file-name (nth 2 value))))
(defun xselect-convert-to-charpos (selection type value)
- (let (a b tmp)
- (cond ((cond ((overlayp value)
- (setq a (overlay-start value)
- b (overlay-end value)))
- ((and (consp value)
- (markerp (car value))
- (markerp (cdr value)))
- (setq a (car value)
- b (cdr value))))
- (setq a (1- a) b (1- b)) ; zero-based
- (if (< b a) (setq tmp a a b b tmp))
- (cons 'SPAN
- (vector (cons (ash a -16) (logand a 65535))
- (cons (ash b -16) (logand b 65535))))))))
+ (when (setq value (xselect--selection-bounds value))
+ (let ((beg (1- (nth 0 value))) ; zero-based
+ (end (1- (nth 1 value))))
+ (cons 'SPAN (vector (xselect--int-to-cons (min beg end))
+ (xselect--int-to-cons (max beg end)))))))
(defun xselect-convert-to-lineno (selection type value)
- (let (a b buf tmp)
- (cond ((cond ((and (consp value)
- (markerp (car value))
- (markerp (cdr value)))
- (setq a (marker-position (car value))
- b (marker-position (cdr value))
- buf (marker-buffer (car value))))
- ((overlayp value)
- (setq buf (overlay-buffer value)
- a (overlay-start value)
- b (overlay-end value)))
- )
- (save-excursion
- (set-buffer buf)
- (setq a (count-lines 1 a)
- b (count-lines 1 b)))
- (if (< b a) (setq tmp a a b b tmp))
- (cons 'SPAN
- (vector (cons (ash a -16) (logand a 65535))
- (cons (ash b -16) (logand b 65535))))))))
+ (when (setq value (xselect--selection-bounds value))
+ (with-current-buffer (nth 2 value)
+ (let ((beg (line-number-at-pos (nth 0 value)))
+ (end (line-number-at-pos (nth 1 value))))
+ (cons 'SPAN (vector (xselect--int-to-cons (min beg end))
+ (xselect--int-to-cons (max beg end))))))))
(defun xselect-convert-to-colno (selection type value)
- (let (a b buf tmp)
- (cond ((cond ((and (consp value)
- (markerp (car value))
- (markerp (cdr value)))
- (setq a (car value)
- b (cdr value)
- buf (marker-buffer a)))
- ((overlayp value)
- (setq buf (overlay-buffer value)
- a (overlay-start value)
- b (overlay-end value)))
- )
- (save-excursion
- (set-buffer buf)
- (goto-char a)
- (setq a (current-column))
- (goto-char b)
- (setq b (current-column)))
- (if (< b a) (setq tmp a a b b tmp))
- (cons 'SPAN
- (vector (cons (ash a -16) (logand a 65535))
- (cons (ash b -16) (logand b 65535))))))))
+ (when (setq value (xselect--selection-bounds value))
+ (with-current-buffer (nth 2 value)
+ (let ((beg (progn (goto-char (nth 0 value)) (current-column)))
+ (end (progn (goto-char (nth 1 value)) (current-column))))
+ (cons 'SPAN (vector (xselect--int-to-cons (min beg end))
+ (xselect--int-to-cons (max beg end))))))))
(defun xselect-convert-to-os (selection type size)
(symbol-name system-type))
(defun xselect-convert-to-integer (selection type value)
(and (integerp value)
- (cons (ash value -16) (logand value 65535))))
+ (xselect--int-to-cons value)))
(defun xselect-convert-to-atom (selection type value)
(and (symbolp value) value))
(NAME . xselect-convert-to-name)
(ATOM . xselect-convert-to-atom)
(INTEGER . xselect-convert-to-integer)
- (_EMACS_INTERNAL . xselect-convert-to-identity)
- ))
+ (_EMACS_INTERNAL . xselect-convert-to-identity)))
(provide 'select)