X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/f58e0fd503567288bb30e243595acaa589034929..51e7349210ae8de4296e4efe4ac903ceae8786cc:/lisp/register.el diff --git a/lisp/register.el b/lisp/register.el index 21fcff2d14..ae2f7cf3e2 100644 --- a/lisp/register.el +++ b/lisp/register.el @@ -1,6 +1,7 @@ ;;; register.el --- register commands for Emacs -;; Copyright (C) 1985, 1993-1994, 2001-2012 Free Software Foundation, Inc. +;; Copyright (C) 1985, 1993-1994, 2001-2013 Free Software Foundation, +;; Inc. ;; Maintainer: FSF ;; Keywords: internal @@ -34,22 +35,6 @@ (declare-function semantic-tag-buffer "semantic/tag" (tag)) (declare-function semantic-tag-start "semantic/tag" (tag)) -;;; Global key bindings - -(define-key ctl-x-r-map "\C-@" 'point-to-register) -(define-key ctl-x-r-map [?\C-\ ] 'point-to-register) -(define-key ctl-x-r-map " " 'point-to-register) -(define-key ctl-x-r-map "j" 'jump-to-register) -(define-key ctl-x-r-map "s" 'copy-to-register) -(define-key ctl-x-r-map "x" 'copy-to-register) -(define-key ctl-x-r-map "i" 'insert-register) -(define-key ctl-x-r-map "g" 'insert-register) -(define-key ctl-x-r-map "r" 'copy-rectangle-to-register) -(define-key ctl-x-r-map "n" 'number-to-register) -(define-key ctl-x-r-map "+" 'increment-register) -(define-key ctl-x-r-map "w" 'window-configuration-to-register) -(define-key ctl-x-r-map "f" 'frame-configuration-to-register) - ;;; Code: (cl-defstruct @@ -92,6 +77,22 @@ A list of the form (WINDOW-CONFIGURATION POSITION) A list of the form (FRAME-CONFIGURATION POSITION) represents a saved frame configuration plus a saved value of point.") +(defgroup register nil + "Register commands." + :group 'convenience + :version "24.3") + +(defcustom register-separator nil + "Register containing the text to put between collected texts, or nil if none. + +When collecting text with +`append-to-register' (resp. `prepend-to-register') contents of +this register is added to the beginning (resp. end) of the marked +text." + :group 'register + :type '(choice (const :tag "None" nil) + (character :tag "Use register" :value ?+))) + (defun get-register (register) "Return contents of Emacs register named REGISTER, or nil if none." (cdr (assq register register-alist))) @@ -208,13 +209,24 @@ Interactively, NUMBER is the prefix arg (none means nil)." (string-to-number (match-string 0))) 0)))) -(defun increment-register (number register) - "Add NUMBER to the contents of register REGISTER. -Interactively, NUMBER is the prefix arg." - (interactive "p\ncIncrement register: ") - (or (numberp (get-register register)) - (error "Register does not contain a number")) - (set-register register (+ number (get-register register)))) +(defun increment-register (prefix register) + "Augment contents of REGISTER. +Interactively, PREFIX is in raw form. + +If REGISTER contains a number, add `prefix-numeric-value' of +PREFIX to it. + +If REGISTER is empty or if it contains text, call +`append-to-register' with `delete-flag' set to PREFIX." + (interactive "P\ncIncrement register: ") + (let ((register-val (get-register register))) + (cond + ((numberp register-val) + (let ((number (prefix-numeric-value prefix))) + (set-register register (+ number register-val)))) + ((or (not register-val) (stringp register-val)) + (append-to-register register (region-beginning) (region-end) prefix)) + (t (error "Register does not contain a number or text"))))) (defun view-register (register) "Display what is contained in register named REGISTER. @@ -352,7 +364,11 @@ Called from program, takes four args: REGISTER, START, END and DELETE-FLAG. START and END are buffer positions indicating what to copy." (interactive "cCopy to register: \nr\nP") (set-register register (filter-buffer-substring start end)) - (if delete-flag (delete-region start end))) + (setq deactivate-mark t) + (cond (delete-flag + (delete-region start end)) + ((called-interactively-p 'interactive) + (indicate-copied-region)))) (defun append-to-register (register start end &optional delete-flag) "Append region to text in register REGISTER. @@ -361,12 +377,17 @@ Called from program, takes four args: REGISTER, START, END and DELETE-FLAG. START and END are buffer positions indicating what to append." (interactive "cAppend to register: \nr\nP") (let ((reg (get-register register)) - (text (filter-buffer-substring start end))) + (text (filter-buffer-substring start end)) + (separator (and register-separator (get-register register-separator)))) (set-register register (cond ((not reg) text) - ((stringp reg) (concat reg text)) + ((stringp reg) (concat reg separator text)) (t (error "Register does not contain text"))))) - (if delete-flag (delete-region start end))) + (setq deactivate-mark t) + (cond (delete-flag + (delete-region start end)) + ((called-interactively-p 'interactive) + (indicate-copied-region)))) (defun prepend-to-register (register start end &optional delete-flag) "Prepend region to text in register REGISTER. @@ -375,12 +396,17 @@ Called from program, takes four args: REGISTER, START, END and DELETE-FLAG. START and END are buffer positions indicating what to prepend." (interactive "cPrepend to register: \nr\nP") (let ((reg (get-register register)) - (text (filter-buffer-substring start end))) + (text (filter-buffer-substring start end)) + (separator (and register-separator (get-register register-separator)))) (set-register register (cond ((not reg) text) - ((stringp reg) (concat text reg)) + ((stringp reg) (concat text separator reg)) (t (error "Register does not contain text"))))) - (if delete-flag (delete-region start end))) + (setq deactivate-mark t) + (cond (delete-flag + (delete-region start end)) + ((called-interactively-p 'interactive) + (indicate-copied-region)))) (defun copy-rectangle-to-register (register start end &optional delete-flag) "Copy rectangular region into register REGISTER. @@ -390,10 +416,15 @@ To insert this register in the buffer, use \\[insert-register]. Called from a program, takes four args: REGISTER, START, END and DELETE-FLAG. START and END are buffer positions giving two corners of rectangle." (interactive "cCopy rectangle to register: \nr\nP") - (set-register register - (if delete-flag - (delete-extract-rectangle start end) - (extract-rectangle start end)))) + (let ((rectangle (if delete-flag + (delete-extract-rectangle start end) + (extract-rectangle start end)))) + (set-register register rectangle) + (when (and (null delete-flag) + (called-interactively-p 'interactive)) + (setq deactivate-mark t) + (indicate-copied-region (length (car rectangle)))))) + (provide 'register) ;;; register.el ends here