]> code.delx.au - gnu-emacs/commitdiff
(last-sexp-setup-props): New function.
authorGerd Moellmann <gerd@gnu.org>
Fri, 27 Jul 2001 15:26:53 +0000 (15:26 +0000)
committerGerd Moellmann <gerd@gnu.org>
Fri, 27 Jul 2001 15:26:53 +0000 (15:26 +0000)
(last-sexp-toggle-display): Renamed from last-sexp-print.
(last-sexp-toggle-display, eval-last-sexp-1): Use
last-sexp-setup-props.

lisp/emacs-lisp/lisp-mode.el

index 0241993421c06a5fd9a1996fc820293b994ece4f..7cae7a92a7b1a751886e43f891642cf7429ac483 100644 (file)
@@ -320,17 +320,41 @@ which see."
     (terpri)))
 
 
-(defun last-sexp-print ()
+(defun last-sexp-setup-props (beg end value alt1 alt2)
+  "Set up text properties for the output of `eval-last-sexp-1'.
+BEG and END are the start and end of the output in current-buffer.
+VALUE is the Lisp value printed, ALT1 and ALT2 are strings for the 
+alternative printed representations that can be displayed."
+  (let ((map (make-sparse-keymap)))
+    (define-key map "\C-m" 'last-sexp-toggle-display)
+    (define-key map [down-mouse-2] 'mouse-set-point)
+    (define-key map [mouse-2] 'last-sexp-toggle-display)
+    (add-text-properties
+     beg end 
+     `(printed-value (,value ,alt1 ,alt2)
+                    mouse-face highlight 
+                    keymap ,map
+                    help-echo "RET, mouse-2: toggle abbreviated display"
+                    rear-nonsticky (mouse-face keymap help-echo
+                                               printed-value)))))
+
+
+(defun last-sexp-toggle-display ()
+  "Toggle between abbreviated and unabbreviated printed representations."
   (interactive)
   (let ((value (get-text-property (point) 'printed-value)))
     (when value
       (let ((beg (previous-single-property-change (point) 'printed-value))
            (end (next-single-char-property-change (point) 'printed-value))
            (standard-output (current-buffer))
-           (print-length nil)
-           (print-level nil))
+           (point (point)))
        (delete-region beg end)
-       (prin1 value)))))
+       (insert (nth 1 value))
+       (last-sexp-setup-props beg (point) 
+                              (nth 0 value)
+                              (nth 2 value)
+                              (nth 1 value))
+       (goto-char (min (point-max) point))))))
 
 
 (defun eval-last-sexp-1 (eval-last-sexp-arg-internal)
@@ -401,20 +425,12 @@ With argument, print output into current buffer."
        (when (and (bufferp standard-output)
                   (or (not (null print-length))
                       (not (null print-level)))
-                  (not (string= unabbreviated (buffer-substring beg end))))
-         (let ((map (make-sparse-keymap)))
-           (define-key map "\C-m" 'last-sexp-print)
-           (define-key map [down-mouse-2] 'mouse-set-point)
-           (define-key map [mouse-2] 'last-sexp-print)
-           (add-text-properties
-            beg end 
-            `(printed-value ,value 
-                            mouse-face highlight 
-                            keymap ,map
-                            help-echo "RET, mouse-2: print unabbreviated"
-                            read-nonsticky (mouse-face keymap help-echo
-                                                       printed-value)
-                            ))))))))
+                  (not (string= unabbreviated
+                                (buffer-substring-no-properties beg end))))
+         (last-sexp-setup-props beg end value 
+                                unabbreviated
+                                (buffer-substring-no-properties beg end))
+         )))))
 
 
 (defun eval-last-sexp (eval-last-sexp-arg-internal)