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Re: frameset-to-register

From: Juanma Barranquero
Subject: Re: frameset-to-register
Date: Mon, 5 Aug 2013 15:11:13 +0200

On Mon, Aug 5, 2013 at 7:12 AM, Juanma Barranquero <address@hidden> wrote:

> This code adds a new frameset-to-register command.

Or, a bit cleaner:

=== modified file 'lisp/register.el'
--- lisp/register.el    2013-03-26 02:49:05 +0000
+++ lisp/register.el    2013-08-05 12:50:18 +0000
@@ -132,6 +132,20 @@
   ;; of point in the current buffer, so record that separately.
   (set-register register (list (current-frame-configuration) (point-marker))))

+(defun frameset-to-register (register &optional _arg)
+  "Store the current frameset in register REGISTER.
+Use \\[jump-to-register] to restore the frameset.
+Argument is a character, naming the register."
+  (interactive "cFrameset to register: \nP")
+  (set-register register
+               (list (frameset-save nil
+                                    :filters frameset-live-filter-alist
+                                    :properties '(:app register))
+                     ;; frameset-save does not include the value of point
+                     ;; in the current buffer, so record that separately.
+                     (frameset-frame-id nil)
+                     (point-marker))))
 (defalias 'register-to-point 'jump-to-register)
 (defun jump-to-register (register &optional delete)
   "Move point to location stored in a register.
@@ -157,6 +171,14 @@
      ((and (consp val) (window-configuration-p (car val)))
       (set-window-configuration (car val))
       (goto-char (cadr val)))
+     ((and (consp val) (frameset-p (car val)))
+      (frameset-restore (car val)
+                       :filters frameset-live-filter-alist
+                       :reuse-frames t)
+      (let ((frame (frameset-locate-frame-id (cadr val))))
+       (when frame
+         (select-frame-set-input-focus frame)
+         (goto-char (nth 2 val)))))
      ((markerp val)
       (or (marker-buffer val)
          (error "That register's buffer no longer exists"))
@@ -269,6 +291,9 @@
      ((and (consp val) (frame-configuration-p (car val)))
       (princ "a frame configuration."))

+     ((and (consp val) (frameset-p (car val)))
+      (princ "a frameset."))
      ((and (consp val) (eq (car val) 'file))
       (princ "the file ")
       (prin1 (cdr val))

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