-;;; select.el --- lisp portion of standard selection support.
+;;; select.el --- lisp portion of standard selection support
;; Keywords: internal
-;; Copyright (c) 1993 Free Software Foundation, Inc.
+;; Copyright (c) 1993, 1994 Free Software Foundation, Inc.
;; Based partially on earlier release by Lucid.
;; This file is part of GNU Emacs.
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
;;; Code:
(defun x-get-selection (&optional type data-type)
"Return the value of an X Windows selection.
The argument TYPE (default `PRIMARY') says which selection,
-and the argument DATA-TYPE (default `STRING') says how to convert the data."
+and the argument DATA-TYPE (default `STRING') says
+how to convert the data.
+
+TYPE may be `SECONDARY' or `CLIPBOARD', in addition to `PRIMARY'.
+DATA-TYPE is usually `STRING', but can also be one of the symbols
+in `selection-converter-alist', which see."
(x-get-selection-internal (or type 'PRIMARY) (or data-type 'STRING)))
(defun x-get-clipboard ()
"Make an X Windows selection of type TYPE and value DATA.
The argument TYPE (default `PRIMARY') says which selection,
and DATA specifies the contents. DATA may be a string,
-a symbol, an integer (or a cons of two integers or list of two integers),
-or a cons of two markers pointing to the same buffer.
-In the last case, the selection is considered to be the text
-between the markers.
-The data may also be a vector of valid non-vector selection values."
+a symbol, an integer (or a cons of two integers or list of two integers).
+
+The selection may also be a cons of two markers pointing to the same buffer,
+or an overlay. In these cases, the selection is considered to be the text
+between the markers *at whatever time the selection is examined*.
+Thus, editing done in the buffer after you specify the selection
+can alter the effective value of the selection.
+
+The data may also be a vector of valid non-vector selection values.
+
+Interactively, the text of the region is used as the selection value
+if the prefix arg is set."
(interactive (if (not current-prefix-arg)
- (list (read-string "Store text for pasting: "))
- (list (cons ;; these need not be ordered.
- (copy-marker (point-marker))
- (copy-marker (mark-marker))))))
+ (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)))
(or (integerp (cdr data))
(and (consp (cdr data))
(integerp (car (cdr data))))))
-;;; (and (fboundp 'extentp)
-;;; (extentp data))
+ (overlayp data)
(and (consp data)
(markerp (car data))
(markerp (cdr data))
(defun xselect-convert-to-string (selection type value)
(cond ((stringp value)
value)
-;;; ((extentp value)
-;;; (save-excursion
-;;; (set-buffer (extent-buffer value))
-;;; (buffer-substring (extent-start-position value)
-;;; (extent-end-position value))))
+ ((overlayp value)
+ (save-excursion
+ (or (buffer-name (overlay-buffer value))
+ (error "selection is in a killed buffer"))
+ (set-buffer (overlay-buffer value))
+ (buffer-substring (overlay-start value)
+ (overlay-end value))))
((and (consp value)
(markerp (car value))
(markerp (cdr value)))
(let ((value
(cond ((stringp value)
(length value))
-;;; ((extentp value)
-;;; (extent-length value))
+ ((overlayp value)
+ (abs (- (overlay-end value) (overlay-start value))))
((and (consp value)
(markerp (car value))
(markerp (cdr value)))
'NULL)
(defun xselect-convert-to-filename (selection type value)
- (cond
-;;; ((extentp value)
-;;; (buffer-file-name (or (extent-buffer value)
-;;; (error "selection is in a killed buffer"))))
+ (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)))
(defun xselect-convert-to-charpos (selection type value)
(let (a b tmp)
- (cond ((cond
-;;; ((extentp value)
-;;; (setq a (extent-start-position value)
-;;; b (extent-end-position value)))
+ (cond ((cond ((overlayp value)
+ (setq a (overlay-start value)
+ b (overlay-end value)))
((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))))
-;;; ((extentp value)
-;;; (setq buf (extent-buffer value)
-;;; a (extent-start-position value)
-;;; b (extent-end-position value)))
+ ((overlayp value)
+ (setq buf (overlay-buffer value)
+ a (overlay-start value)
+ b (overlay-end value)))
)
(save-excursion
(set-buffer buf)
(setq a (car value)
b (cdr value)
buf (marker-buffer a)))
-;;; ((extentp value)
-;;; (setq buf (extent-buffer value)
-;;; a (extent-start-position value)
-;;; b (extent-end-position value)))
+ ((overlayp value)
+ (setq buf (overlay-buffer value)
+ a (overlay-start value)
+ b (overlay-end value)))
)
(save-excursion
(set-buffer buf)
(setq selection-converter-alist
'((TEXT . xselect-convert-to-string)
+ (COMPOUND_TEXT . xselect-convert-to-string)
(STRING . xselect-convert-to-string)
(TARGETS . xselect-convert-to-targets)
(LENGTH . xselect-convert-to-length)
(provide 'select)
-;;; select.el ends here.
+;;; select.el ends here