;;; viper-init.el --- some common definitions for Viper
-;; Copyright (C) 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1997, 98, 99, 2000, 01, 02 Free Software Foundation, Inc.
+
+;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
;; This file is part of GNU Emacs.
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
-;; Code
+;;; Commentary:
+
+;;; Code:
(provide 'viper-init)
;; compiler pacifier
(defvar mark-even-if-inactive)
+(defvar quail-mode)
+(defvar iso-accents-mode)
+(defvar viper-current-state)
+(defvar viper-version)
+(defvar viper-expert-level)
+(defvar current-input-method)
+(defvar default-input-method)
+(defvar describe-current-input-method-function)
+(defvar bar-cursor)
+(defvar default-cursor-type)
+(defvar cursor-type)
;; end pacifier
+
+;; Viper version
+(defun viper-version ()
+ (interactive)
+ (message "Viper version is %s" viper-version))
+
;; Is it XEmacs?
-(defconst vip-xemacs-p (string-match "\\(Lucid\\|XEmacs\\)" emacs-version))
+(defconst viper-xemacs-p (string-match "XEmacs" emacs-version))
;; Is it Emacs?
-(defconst vip-emacs-p (not vip-xemacs-p))
+(defconst viper-emacs-p (not viper-xemacs-p))
;; Tell whether we are running as a window application or on a TTY
-(defsubst vip-device-type ()
- (if vip-emacs-p
- window-system
- (device-type (selected-device))))
-;; in XEmacs: device-type is tty on tty and stream in batch.
-(defun vip-window-display-p ()
- (and (vip-device-type) (not (memq (vip-device-type) '(tty stream pc)))))
-(defvar vip-ms-style-os-p (memq system-type '(ms-dos windows-nt windows-95))
- "Tells if Emacs is running under an MS-style OS: ms-dos, windows-nt, W95.")
-(defvar vip-vms-os-p (memq system-type '(vax-vms axp-vms))
- "Tells if Emacs is running under VMS.")
+;; This is used to avoid compilation warnings. When emacs/xemacs forms can
+;; generate compile time warnings, we use this macro.
+;; In this case, the macro will expand into the form that is appropriate to the
+;; compiler at hand.
+;; Suggested by rms.
+(defmacro viper-cond-compile-for-xemacs-or-emacs (xemacs-form emacs-form)
+ (if (string-match "XEmacs" emacs-version)
+ xemacs-form emacs-form))
-(defvar vip-force-faces nil
- "If t, Viper will think that it is running on a display that supports faces.
-This is provided as a temporary relief for users of face-capable displays
-that Viper doesn't know about.")
-(defun vip-has-face-support-p ()
- (cond ((vip-window-display-p))
- (vip-force-faces)
- (vip-emacs-p (memq (vip-device-type) '(pc)))
- (vip-xemacs-p (memq (vip-device-type) '(tty pc)))))
+(defsubst viper-device-type ()
+ (viper-cond-compile-for-xemacs-or-emacs
+ (device-type (selected-device))
+ window-system
+ ))
-(defun vip-convert-standard-file-name (fname)
- (if vip-emacs-p
- (convert-standard-filename fname)
- ;; hopefully, XEmacs adds this functionality
- fname))
+;; in XEmacs: device-type is tty on tty and stream in batch.
+(defun viper-window-display-p ()
+ (and (viper-device-type) (not (memq (viper-device-type) '(tty stream pc)))))
+
+(defcustom viper-ms-style-os-p (memq system-type
+ '(ms-dos windows-nt windows-95))
+ "Tells if Emacs is running under an MS-style OS: ms-dos, windows-nt, W95."
+ :type 'boolean
+ :tag "Is it Microsoft-made OS?"
+ :group 'viper-misc)
+(defcustom viper-vms-os-p (memq system-type '(vax-vms axp-vms))
+ "Tells if Emacs is running under VMS."
+ :type 'boolean
+ :tag "Is it VMS?"
+ :group 'viper-misc)
+
+(defcustom viper-force-faces nil
+ "If t, Viper will think that it is running on a display that supports faces.
+This is provided as a temporary relief for users of graphics-capable terminals
+that Viper doesn't know about.
+In all likelihood, you don't need to bother with this setting."
+ :type 'boolean
+ :group 'viper-highlighting)
+
+(defun viper-has-face-support-p ()
+ (cond ((viper-window-display-p))
+ (viper-force-faces)
+ (viper-emacs-p (memq (viper-device-type) '(nil pc)))
+ (viper-xemacs-p (memq (viper-device-type) '(tty pc)))))
\f
;;; Macros
-(defmacro vip-deflocalvar (var default-value &optional documentation)
- (` (progn
- (defvar (, var) (, default-value)
- (, (format "%s\n\(buffer local\)" documentation)))
- (make-variable-buffer-local '(, var))
- )))
-
-(defmacro vip-loop (count body)
- "(vip-loop COUNT BODY) Execute BODY COUNT times."
- (list 'let (list (list 'count count))
- (list 'while '(> count 0)
- body
- '(setq count (1- count))
- )))
-
-(defmacro vip-buffer-live-p (buf)
- (` (and (, buf) (get-buffer (, buf)) (buffer-name (get-buffer (, buf))))))
-
+(defmacro viper-deflocalvar (var default-value &optional documentation)
+ `(progn
+ (defvar ,var ,default-value
+ ,(format "%s\n\(buffer local\)" documentation))
+ (make-variable-buffer-local ',var)))
+
+;; (viper-loop COUNT BODY) Execute BODY COUNT times.
+(defmacro viper-loop (count &rest body)
+ `(let ((count ,count))
+ (while (> count 0)
+ ,@body
+ (setq count (1- count)))))
+
+(defmacro viper-buffer-live-p (buf)
+ `(and ,buf (get-buffer ,buf) (buffer-name (get-buffer ,buf))))
+
;; return buffer-specific macro definition, given a full macro definition
-(defmacro vip-kbd-buf-alist (macro-elt)
- (` (nth 1 (, macro-elt))))
+(defmacro viper-kbd-buf-alist (macro-elt)
+ `(nth 1 ,macro-elt))
;; get a pair: (curr-buffer . macro-definition)
-(defmacro vip-kbd-buf-pair (macro-elt)
- (` (assoc (buffer-name) (vip-kbd-buf-alist (, macro-elt)))))
+(defmacro viper-kbd-buf-pair (macro-elt)
+ `(assoc (buffer-name) (viper-kbd-buf-alist ,macro-elt)))
;; get macro definition for current buffer
-(defmacro vip-kbd-buf-definition (macro-elt)
- (` (cdr (vip-kbd-buf-pair (, macro-elt)))))
-
+(defmacro viper-kbd-buf-definition (macro-elt)
+ `(cdr (viper-kbd-buf-pair ,macro-elt)))
+
;; return mode-specific macro definitions, given a full macro definition
-(defmacro vip-kbd-mode-alist (macro-elt)
- (` (nth 2 (, macro-elt))))
+(defmacro viper-kbd-mode-alist (macro-elt)
+ `(nth 2 ,macro-elt))
;; get a pair: (major-mode . macro-definition)
-(defmacro vip-kbd-mode-pair (macro-elt)
- (` (assoc major-mode (vip-kbd-mode-alist (, macro-elt)))))
+(defmacro viper-kbd-mode-pair (macro-elt)
+ `(assoc major-mode (viper-kbd-mode-alist ,macro-elt)))
;; get macro definition for the current major mode
-(defmacro vip-kbd-mode-definition (macro-elt)
- (` (cdr (vip-kbd-mode-pair (, macro-elt)))))
-
+(defmacro viper-kbd-mode-definition (macro-elt)
+ `(cdr (viper-kbd-mode-pair ,macro-elt)))
+
;; return global macro definition, given a full macro definition
-(defmacro vip-kbd-global-pair (macro-elt)
- (` (nth 3 (, macro-elt))))
+(defmacro viper-kbd-global-pair (macro-elt)
+ `(nth 3 ,macro-elt))
;; get global macro definition from an elt of macro-alist
-(defmacro vip-kbd-global-definition (macro-elt)
- (` (cdr (vip-kbd-global-pair (, macro-elt)))))
-
+(defmacro viper-kbd-global-definition (macro-elt)
+ `(cdr (viper-kbd-global-pair ,macro-elt)))
+
;; last elt of a sequence
-(defsubst vip-seq-last-elt (seq)
+(defsubst viper-seq-last-elt (seq)
(elt seq (1- (length seq))))
-
+
+(defsubst viper-string-to-list (string)
+ (append (vconcat string) nil))
+
+(defsubst viper-charlist-to-string (list)
+ (mapconcat 'char-to-string list ""))
+
+;; like char-after/before, but saves typing
+(defun viper-char-at-pos (direction &optional offset)
+ (or (integerp offset) (setq offset 0))
+ (if (eq direction 'forward)
+ (char-after (+ (point) offset))
+ (char-before (- (point) offset))))
+
\f
-(defvar vip-minibuffer-overlay-priority 300)
-(defvar vip-replace-overlay-priority 400)
-(defvar vip-search-overlay-priority 500)
-
+(defvar viper-minibuffer-overlay-priority 300)
+(defvar viper-replace-overlay-priority 400)
+(defvar viper-search-overlay-priority 500)
+
\f
;;; Viper minor modes
-;; This is not local in Emacs, so we make it local.
-;; This must be local because although the stack of minor modes can be the same
-;; for all buffers, the associated *keymaps* can be different. In Viper,
-;; vip-vi-local-user-map, vip-insert-local-user-map, and others can have
-;; different keymaps for different buffers.
-;; Also, the keymaps associated with vip-vi/insert-state-modifier-minor-mode
-;; can be different.
-(make-variable-buffer-local 'minor-mode-map-alist)
-
;; Mode for vital things like \e, C-z.
-(vip-deflocalvar vip-vi-intercept-minor-mode nil)
+(viper-deflocalvar viper-vi-intercept-minor-mode nil)
-(vip-deflocalvar vip-vi-basic-minor-mode nil
+(viper-deflocalvar viper-vi-basic-minor-mode nil
"Viper's minor mode for Vi bindings.")
-
-(vip-deflocalvar vip-vi-local-user-minor-mode nil
+
+(viper-deflocalvar viper-vi-local-user-minor-mode nil
"Auxiliary minor mode for user-defined local bindings in Vi state.")
-(vip-deflocalvar vip-vi-global-user-minor-mode nil
+(viper-deflocalvar viper-vi-global-user-minor-mode nil
"Auxiliary minor mode for user-defined global bindings in Vi state.")
-(vip-deflocalvar vip-vi-state-modifier-minor-mode nil
+(viper-deflocalvar viper-vi-state-modifier-minor-mode nil
"Minor mode used to make major-mode-specific modification to Vi state.")
-(vip-deflocalvar vip-vi-diehard-minor-mode nil
+(viper-deflocalvar viper-vi-diehard-minor-mode nil
"This minor mode is in effect when the user wants Viper to be Vi.")
-(vip-deflocalvar vip-vi-kbd-minor-mode nil
+(viper-deflocalvar viper-vi-kbd-minor-mode nil
"Minor mode for Ex command macros in Vi state.
The corresponding keymap stores key bindings of Vi macros defined with
the Ex command :map.")
;; Mode for vital things like \e, C-z.
-(vip-deflocalvar vip-insert-intercept-minor-mode nil)
+(viper-deflocalvar viper-insert-intercept-minor-mode nil)
-(vip-deflocalvar vip-insert-basic-minor-mode nil
+(viper-deflocalvar viper-insert-basic-minor-mode nil
"Viper's minor mode for bindings in Insert mode.")
-(vip-deflocalvar vip-insert-local-user-minor-mode nil
+(viper-deflocalvar viper-insert-local-user-minor-mode nil
"Auxiliary minor mode for buffer-local user-defined bindings in Insert state.
This is a way to overshadow normal Insert mode bindings locally to certain
designated buffers.")
-(vip-deflocalvar vip-insert-global-user-minor-mode nil
+(viper-deflocalvar viper-insert-global-user-minor-mode nil
"Auxiliary minor mode for global user-defined bindings in Insert state.")
-(vip-deflocalvar vip-insert-state-modifier-minor-mode nil
+(viper-deflocalvar viper-insert-state-modifier-minor-mode nil
"Minor mode used to make major-mode-specific modification to Insert state.")
-(vip-deflocalvar vip-insert-diehard-minor-mode nil
+(viper-deflocalvar viper-insert-diehard-minor-mode nil
"Minor mode that simulates Vi very closely.
Not recommened, except for the novice user.")
-(vip-deflocalvar vip-insert-kbd-minor-mode nil
+(viper-deflocalvar viper-insert-kbd-minor-mode nil
"Minor mode for Ex command macros Insert state.
The corresponding keymap stores key bindings of Vi macros defined with
the Ex command :map!.")
-(vip-deflocalvar vip-replace-minor-mode nil
+(viper-deflocalvar viper-replace-minor-mode nil
"Minor mode in effect in replace state (cw, C, and the like commands).")
-;; Mode for vital things like \C-z and \C-x)
-;; This is t, by default. So, any new buffer will have C-z defined as
-;; switch to Vi, unless we switched states in this buffer
-(vip-deflocalvar vip-emacs-intercept-minor-mode t)
-
-(vip-deflocalvar vip-emacs-local-user-minor-mode t
+;; Mode for vital things like \C-z and \C-x) This is set to t, when viper-mode
+;; is invoked. So, any new buffer will have C-z defined as switch to Vi,
+;; unless we switched states in this buffer
+(viper-deflocalvar viper-emacs-intercept-minor-mode nil)
+
+(viper-deflocalvar viper-emacs-local-user-minor-mode nil
"Minor mode for local user bindings effective in Emacs state.
Users can use it to override Emacs bindings when Viper is in its Emacs
-state.")
-
-(vip-deflocalvar vip-emacs-global-user-minor-mode t
+state.")
+
+(viper-deflocalvar viper-emacs-global-user-minor-mode nil
"Minor mode for global user bindings in effect in Emacs state.
Users can use it to override Emacs bindings when Viper is in its Emacs
-state.")
+state.")
-(vip-deflocalvar vip-emacs-kbd-minor-mode t
+(viper-deflocalvar viper-emacs-kbd-minor-mode nil
"Minor mode for Vi style macros in Emacs state.
The corresponding keymap stores key bindings of Vi macros defined with
-`vip-record-kbd-macro' command. There is no Ex-level command to do this
+`viper-record-kbd-macro' command. There is no Ex-level command to do this
interactively.")
-(vip-deflocalvar vip-emacs-state-modifier-minor-mode t
+(viper-deflocalvar viper-emacs-state-modifier-minor-mode nil
"Minor mode used to make major-mode-specific modification to Emacs state.
For instance, a Vi purist may want to bind `dd' in Dired mode to a function
that deletes a file.")
-(vip-deflocalvar vip-vi-minibuffer-minor-mode nil
+(viper-deflocalvar viper-vi-minibuffer-minor-mode nil
"Minor mode that forces Vi-style when the Minibuffer is in Vi state.")
-(vip-deflocalvar vip-insert-minibuffer-minor-mode nil
+(viper-deflocalvar viper-insert-minibuffer-minor-mode nil
"Minor mode that forces Vi-style when the Minibuffer is in Insert state.")
-
+
\f
;; Some common error messages
-(defconst vip-SpuriousText "Spurious text after command" "")
-(defconst vip-BadExCommand "Not an editor command" "")
-(defconst vip-InvalidCommandArgument "Invalid command argument" "")
-(defconst vip-NoPrevSearch "No previous search string" "")
-(defconst vip-EmptyRegister "`%c': Nothing in this register" "")
-(defconst vip-InvalidRegister "`%c': Invalid register" "")
-(defconst vip-EmptyTextmarker "`%c': Text marker doesn't point anywhere" "")
-(defconst vip-InvalidTextmarker "`%c': Invalid text marker" "")
-(defconst vip-InvalidViCommand "Invalid command" "")
-(defconst vip-BadAddress "Ill-formed address" "")
-(defconst vip-FirstAddrExceedsSecond "First address exceeds second" "")
-(defconst vip-NoFileSpecified "No file specified" "")
-
-;; Is t until viper-mode executes for the very first time.
+(defconst viper-SpuriousText "Spurious text after command" "")
+(defconst viper-BadExCommand "Not an editor command" "")
+(defconst viper-InvalidCommandArgument "Invalid command argument" "")
+(defconst viper-NoPrevSearch "No previous search string" "")
+(defconst viper-EmptyRegister "`%c': Nothing in this register" "")
+(defconst viper-InvalidRegister "`%c': Invalid register" "")
+(defconst viper-EmptyTextmarker "`%c': Text marker doesn't point anywhere" "")
+(defconst viper-InvalidTextmarker "`%c': Invalid text marker" "")
+(defconst viper-InvalidViCommand "Invalid command" "")
+(defconst viper-BadAddress "Ill-formed address" "")
+(defconst viper-FirstAddrExceedsSecond "First address exceeds second" "")
+(defconst viper-NoFileSpecified "No file specified" "")
+
+;; Is t until viper-mode executes for the very first time.
;; Prevents recursive descend into startup messages.
-(defvar vip-first-time t)
+(defvar viper-first-time t)
-(defvar vip-expert-level 0
+(defvar viper-expert-level (if (boundp 'viper-expert-level) viper-expert-level 0)
"User's expert level.
-The minor mode vip-vi-diehard-minor-mode is in effect when
-vip-expert-level is 1 or 2 or when vip-want-emacs-keys-in-vi is t.
-The minor mode vip-insert-diehard-minor-mode is in effect when
-vip-expert-level is 1 or 2 or if vip-want-emacs-keys-in-insert is t.
-Use `M-x vip-set-expert-level' to change this.")
+The minor mode viper-vi-diehard-minor-mode is in effect when
+viper-expert-level is 1 or 2 or when viper-want-emacs-keys-in-vi is t.
+The minor mode viper-insert-diehard-minor-mode is in effect when
+viper-expert-level is 1 or 2 or if viper-want-emacs-keys-in-insert is t.
+Use `M-x viper-set-expert-level' to change this.")
-;; Max expert level supported by Viper. This is NOT a user option.
+;; Max expert level supported by Viper. This is NOT a user option.
;; It is here to make it hard for the user from resetting it.
-(defconst vip-max-expert-level 5)
-
-;; Contains user settings for vars affected by vip-set-expert-level function.
-;; Not a user option.
-(defvar vip-saved-user-settings nil)
-
+(defconst viper-max-expert-level 5)
+
+
+;;; ISO characters and MULE
+
+;; If non-nil, ISO accents will be turned on in insert/replace emacs states and
+;; turned off in vi-state. For some users, this behavior may be too
+;; primitive. In this case, use insert/emacs/vi state hooks.
+(viper-deflocalvar viper-automatic-iso-accents nil "")
+;; Set iso-accents-mode to ARG. Check if it is bound first
+(defsubst viper-set-iso-accents-mode (arg)
+ (if (boundp 'iso-accents-mode)
+ (setq iso-accents-mode arg)))
+
+;; Internal flag used to control when viper mule hooks are run.
+;; Don't change this!
+(defvar viper-mule-hook-flag t)
+;; If non-nil, the default intl. input method is turned on.
+(viper-deflocalvar viper-special-input-method nil "")
+
+;; viper hook to run on input-method activation
+(defun viper-activate-input-method-action ()
+ (if (null viper-mule-hook-flag)
+ ()
+ (setq viper-special-input-method t)
+ ;; turn off special input methods in vi-state
+ (if (eq viper-current-state 'vi-state)
+ (viper-set-input-method nil))
+ (if (memq viper-current-state '(vi-state insert-state replace-state))
+ (message "Viper special input method%s: on"
+ (if (or current-input-method default-input-method)
+ (format " %S"
+ (or current-input-method default-input-method))
+ "")))
+ ))
+
+;; viper hook to run on input-method deactivation
+(defun viper-inactivate-input-method-action ()
+ (if (null viper-mule-hook-flag)
+ ()
+ (setq viper-special-input-method nil)
+ (if (memq viper-current-state '(vi-state insert-state replace-state))
+ (message "Viper special input method%s: off"
+ (if (or current-input-method default-input-method)
+ (format " %S"
+ (or current-input-method default-input-method))
+ "")))))
+
+(defun viper-inactivate-input-method ()
+ (cond ((and viper-emacs-p (fboundp 'inactivate-input-method))
+ (inactivate-input-method))
+ ((and viper-xemacs-p (boundp 'current-input-method))
+ ;; XEmacs had broken quil-mode for some time, so we are working around
+ ;; it here
+ (setq quail-mode nil)
+ (if (featurep 'quail)
+ (quail-delete-overlays))
+ (setq describe-current-input-method-function nil)
+ (setq current-input-method nil)
+ (run-hooks 'input-method-inactivate-hook)
+ (force-mode-line-update))
+ ))
+(defun viper-activate-input-method ()
+ (cond ((and viper-emacs-p (fboundp 'activate-input-method))
+ (activate-input-method default-input-method))
+ ((and viper-xemacs-p (fboundp 'quail-mode))
+ (quail-mode 1))))
+
+;; Set quail-mode to ARG
+(defun viper-set-input-method (arg)
+ (setq viper-mule-hook-flag t) ; just a precaution
+ (let (viper-mule-hook-flag) ; temporarily inactivate viper mule hooks
+ (cond ((and arg (> (prefix-numeric-value arg) 0) default-input-method)
+ ;; activate input method
+ (viper-activate-input-method))
+ (t ; deactivate input method
+ (viper-inactivate-input-method)))
+ ))
-;;; ISO characters
-
-(vip-deflocalvar vip-automatic-iso-accents nil
- "*If non-nil, ISO accents will be turned on in insert/replace emacs states and turned off in vi-state.
-For some users, this behavior may be too primitive. In this case, use
-insert/emacs/vi state hooks.")
-
;; VI-style Undo
;; Used to 'undo' complex commands, such as replace and insert commands.
-(vip-deflocalvar vip-undo-needs-adjustment nil)
-(put 'vip-undo-needs-adjustment 'permanent-local t)
+(viper-deflocalvar viper-undo-needs-adjustment nil)
+(put 'viper-undo-needs-adjustment 'permanent-local t)
;; A mark that Viper puts on buffer-undo-list. Marks the beginning of a
-;; complex command that must be undone atomically. If inserted, it is
-;; erased by vip-change-state-to-vi and vip-repeat.
-(defconst vip-buffer-undo-list-mark 'viper)
+;; complex command that must be undone atomically. If inserted, it is
+;; erased by viper-change-state-to-vi and viper-repeat.
+(defconst viper-buffer-undo-list-mark 'viper)
-(defvar vip-keep-point-on-undo nil
+(defcustom viper-keep-point-on-undo nil
"*Non-nil means not to move point while undoing commands.
-This style is different from Emacs and Vi. Try it to see if
-it better fits your working style.")
+This style is different from Emacs and Vi. Try it to see if
+it better fits your working style."
+ :type 'boolean
+ :tag "Preserve Position of Point After Undo"
+ :group 'viper)
;; Replace mode and changing text
-;; Viper's own after/before change functions, which get vip-add-hook'ed to
-;; Emacs's
-(vip-deflocalvar vip-after-change-functions nil "")
-(vip-deflocalvar vip-before-change-functions nil "")
-(vip-deflocalvar vip-post-command-hooks nil "")
-(vip-deflocalvar vip-pre-command-hooks nil "")
+;; Hack used to pass global states around for short period of time
+(viper-deflocalvar viper-intermediate-command nil "")
-;; Can be used to pass global states around for short period of time
-(vip-deflocalvar vip-intermediate-command nil "")
+;; This is used to pass the right Vi command key sequence to
+;; viper-set-destructive-command whenever (this-command-keys) doesn't give the
+;; right result. For instance, in commands like c/bla<RET>,
+;; (this-command-keys) will return ^M, which invoked exit-minibuffer, while we
+;; need "c/"
+(defconst viper-this-command-keys nil)
;; Indicates that the current destructive command has started in replace mode.
-(vip-deflocalvar vip-began-as-replace nil "")
+(viper-deflocalvar viper-began-as-replace nil "")
-(defvar vip-allow-multiline-replace-regions t
+(defcustom viper-allow-multiline-replace-regions t
"If non-nil, Viper will allow multi-line replace regions.
This is an extension to standard Vi.
If nil, commands that attempt to replace text spanning multiple lines first
-delete the text being replaced, as in standard Vi.")
-
-(defvar vip-replace-overlay-cursor-color "Red"
- "*Cursor color to use in Replace state")
-(defvar vip-insert-state-cursor-color nil
- "Cursor color for Viper insert state.")
-(put 'vip-insert-state-cursor-color 'permanent-local t)
-;; place to save cursor colow when switching to insert mode
-(vip-deflocalvar vip-saved-cursor-color nil "")
-
-(vip-deflocalvar vip-replace-overlay nil "")
-(put 'vip-replace-overlay 'permanent-local t)
-
-(defvar vip-replace-overlay-pixmap "gray3"
- "Pixmap to use for search face on non-color displays.")
-(defvar vip-search-face-pixmap "gray3"
- "Pixmap to use for search face on non-color displays.")
-
-
-(defvar vip-replace-region-end-delimiter "$"
+delete the text being replaced, as in standard Vi."
+ :type 'boolean
+ :group 'viper)
+
+(defcustom viper-replace-overlay-cursor-color "Red"
+ "*Cursor color when Viper is in Replace state."
+ :type 'string
+ :group 'viper)
+(defcustom viper-insert-state-cursor-color "Green"
+ "Cursor color when Viper is in insert state."
+ :type 'string
+ :group 'viper)
+
+;; internal var, used to remember the default cursor color of emacs frames
+(defvar viper-vi-state-cursor-color nil)
+
+(viper-deflocalvar viper-replace-overlay nil "")
+(put 'viper-replace-overlay 'permanent-local t)
+
+(defcustom viper-replace-region-end-delimiter "$"
"A string marking the end of replacement regions.
-It is used only with TTYs or if `vip-use-replace-region-delimiters'
-is non-nil.")
-(defvar vip-replace-region-start-delimiter ""
+It is used only with TTYs or if `viper-use-replace-region-delimiters'
+is non-nil."
+ :type 'string
+ :group 'viper)
+(defcustom viper-replace-region-start-delimiter ""
"A string marking the beginning of replacement regions.
-It is used only with TTYs or if `vip-use-replace-region-delimiters'
-is non-nil.")
-(defvar vip-use-replace-region-delimiters (not (vip-has-face-support-p))
- "*If non-nil, Viper will always use `vip-replace-region-end-delimiter' and
-`vip-replace-region-start-delimiter' to delimit replacement regions, even on
-color displays. By default, the delimiters are used only on TTYs.")
-
+It is used only with TTYs or if `viper-use-replace-region-delimiters'
+is non-nil."
+ :type 'string
+ :group 'viper)
+(defcustom viper-use-replace-region-delimiters
+ (or (not (viper-has-face-support-p))
+ (and viper-xemacs-p (eq (viper-device-type) 'tty)))
+ "*If non-nil, Viper will always use `viper-replace-region-end-delimiter' and
+`viper-replace-region-start-delimiter' to delimit replacement regions, even on
+color displays. By default, the delimiters are used only on TTYs."
+ :type 'boolean
+ :group 'viper)
+
+(defcustom viper-read-buffer-function 'read-buffer
+ "Function to use for prompting the user for a buffer name."
+ :type 'symbol
+ :group 'viper)
+
;; XEmacs requires glyphs
-(if vip-xemacs-p
- (progn
- (or (glyphp vip-replace-region-end-delimiter)
- (setq vip-replace-region-end-delimiter
- (make-glyph vip-replace-region-end-delimiter)))
- (or (glyphp vip-replace-region-start-delimiter)
- (setq vip-replace-region-start-delimiter
- (make-glyph vip-replace-region-start-delimiter)))
- ))
-
-
+(viper-cond-compile-for-xemacs-or-emacs
+ (progn ; xemacs
+ (or (glyphp viper-replace-region-end-delimiter)
+ (setq viper-replace-region-end-delimiter
+ (make-glyph viper-replace-region-end-delimiter)))
+ (or (glyphp viper-replace-region-start-delimiter)
+ (setq viper-replace-region-start-delimiter
+ (make-glyph viper-replace-region-start-delimiter)))
+ )
+ nil ; emacs
+ )
+
+
+
;; These are local marker that must be initialized to nil and moved with
-;; `vip-move-marker-locally'
+;; `viper-move-marker-locally'
;;
;; Remember the last position inside the replace region.
-(vip-deflocalvar vip-last-posn-in-replace-region nil)
+(viper-deflocalvar viper-last-posn-in-replace-region nil)
;; Remember the last position while inserting
-(vip-deflocalvar vip-last-posn-while-in-insert-state nil)
-(put 'vip-last-posn-in-replace-region 'permanent-local t)
-(put 'vip-last-posn-while-in-insert-state 'permanent-local t)
+(viper-deflocalvar viper-last-posn-while-in-insert-state nil)
+(put 'viper-last-posn-in-replace-region 'permanent-local t)
+(put 'viper-last-posn-while-in-insert-state 'permanent-local t)
+
+(viper-deflocalvar viper-sitting-in-replace nil "")
+(put 'viper-sitting-in-replace 'permanent-local t)
-(vip-deflocalvar vip-sitting-in-replace nil "")
-(put 'vip-sitting-in-replace 'permanent-local t)
-
;; Remember the number of characters that have to be deleted in replace
;; mode to compensate for the inserted characters.
-(vip-deflocalvar vip-replace-chars-to-delete 0 "")
-(vip-deflocalvar vip-replace-chars-deleted 0 "")
+(viper-deflocalvar viper-replace-chars-to-delete 0 "")
+;; This variable is used internally by the before/after changed functions to
+;; determine how many chars were deleted by the change. This can't be
+;; determined inside after-change-functions because those get the length of the
+;; deleted region, not the number of chars deleted (which are two different
+;; things under MULE).
+(viper-deflocalvar viper-replace-region-chars-deleted 0 "")
;; Insertion ring and command ring
-(defvar vip-insertion-ring-size 14
- "The size of the insertion ring.")
+(defcustom viper-insertion-ring-size 14
+ "The size of history of inserted text.
+This is a list where Viper keeps the history of previously inserted pieces of
+text."
+ :type 'integer
+ :group 'viper-misc)
;; The insertion ring.
-(defvar vip-insertion-ring nil)
-;; This is temp insertion ring. Used to do rotation for display purposes.
-;; When rotation just started, it is initialized to vip-insertion-ring.
-(defvar vip-temp-insertion-ring nil)
-(defvar vip-last-inserted-string-from-insertion-ring "")
-
-(defvar vip-command-ring-size 14
- "The size of the command ring.")
+(defvar viper-insertion-ring nil)
+;; This is temp insertion ring. Used to do rotation for display purposes.
+;; When rotation just started, it is initialized to viper-insertion-ring.
+(defvar viper-temp-insertion-ring nil)
+(defvar viper-last-inserted-string-from-insertion-ring "")
+
+(defcustom viper-command-ring-size 14
+ "The size of history of Vi commands repeatable with dot."
+ :type 'integer
+ :group 'viper-misc)
;; The command ring.
-(defvar vip-command-ring nil)
-;; This is temp command ring. Used to do rotation for display purposes.
-;; When rotation just started, it is initialized to vip-command-ring.
-(defvar vip-temp-command-ring nil)
+(defvar viper-command-ring nil)
+;; This is temp command ring. Used to do rotation for display purposes.
+;; When rotation just started, it is initialized to viper-command-ring.
+(defvar viper-temp-command-ring nil)
+
+;; Fast keyseq and ESC keyseq timeouts
+(defcustom viper-fast-keyseq-timeout 200
+ "*Key sequence separated by no more than this many milliseconds is viewed as a Vi-style macro, if such a macro is defined.
+Setting this too high may slow down your typing. Setting this value too low
+will make it hard to use Vi-style timeout macros."
+ :type 'integer
+ :group 'viper-misc)
+
+(defcustom viper-ESC-keyseq-timeout (if (viper-window-display-p)
+ 0 viper-fast-keyseq-timeout)
+ "*Key sequence beginning with ESC and separated by no more than this many milliseconds is considered to be generated by a keyboard function key.
+Setting this too high may slow down switching from insert to vi state. Setting
+this value too low will make it impossible to use function keys in insert mode
+on a dumb terminal."
+ :type 'integer
+ :group 'viper-misc)
+
+(defcustom viper-translate-all-ESC-keysequences (not (viper-window-display-p))
+ "Allow translation of all key sequences into commands.
+Normally, Viper lets Emacs translate only those ESC key sequences that are
+defined in the low-level key-translation-map or function-key-map, such as those
+emitted by the arrow and function keys. Other sequences, e.g., \\e/, are
+treated as ESC command followed by a `/'. This is done for people who type fast
+and tend to hit other characters right after they hit ESC. Other people like
+Emacs to translate ESC sequences all the time.
+The default is to translate all sequences only when using a dumb terminal.
+This permits you to use ESC as a meta key in insert mode."
+ :type 'boolean
+ :group 'viper-misc)
;; Modes and related variables
;; Current mode. One of: `emacs-state', `vi-state', `insert-state'
-(vip-deflocalvar vip-current-state 'emacs-state)
+(viper-deflocalvar viper-current-state 'emacs-state)
;; Autoindent in insert
;; Variable that keeps track of whether C-t has been pressed.
-(vip-deflocalvar vip-cted nil "")
+(viper-deflocalvar viper-cted nil "")
;; Preserve the indent value, used by C-d in insert mode.
-(vip-deflocalvar vip-current-indent 0)
+(viper-deflocalvar viper-current-indent 0)
;; Whether to preserve the indent, used by C-d in insert mode.
-(vip-deflocalvar vip-preserve-indent nil)
-
-(vip-deflocalvar vip-auto-indent nil
- "*Autoindent if t.")
-(vip-deflocalvar vip-electric-mode t
- "*If t, enable electric behavior.
-Currently only enables auto-indentation `according to mode'.")
-
-(defconst vip-shift-width 8
- "*The shiftwidth variable.")
+(viper-deflocalvar viper-preserve-indent nil)
+
+(viper-deflocalvar viper-auto-indent nil "")
+(defcustom viper-auto-indent nil
+ "*Enable autoindent, if t.
+This is a buffer-local variable."
+ :type 'boolean
+ :group 'viper)
+
+(viper-deflocalvar viper-electric-mode t "")
+(defcustom viper-electric-mode t
+ "*If t, electrify Viper.
+Currently, this only electrifies auto-indentation, making it appropriate to the
+mode of the buffer.
+This means that auto-indentation will depart from standard Vi and will indent
+appropriate to the mode of the buffer. This is especially useful for editing
+programs and LaTeX documents."
+ :type 'boolean
+ :group 'viper)
+
+(defcustom viper-shift-width 8
+ "*The value of the shiftwidth.
+This determines the number of columns by which the Ctl-t moves the cursor in
+the Insert state."
+ :type 'integer
+ :group 'viper)
;; Variables for repeating destructive commands
-(defconst vip-keep-point-on-repeat t
+(defcustom viper-keep-point-on-repeat t
"*If t, don't move point when repeating previous command.
This is useful for doing repeated changes with the '.' key.
The user can change this to nil, if she likes when the cursor moves
-to a new place after repeating previous Vi command.")
+to a new place after repeating previous Vi command."
+ :type 'boolean
+ :group 'viper)
;; Remember insert point as a marker. This is a local marker that must be
-;; initialized to nil and moved with `vip-move-marker-locally'.
-(vip-deflocalvar vip-insert-point nil)
-(put 'vip-insert-point 'permanent-local t)
+;; initialized to nil and moved with `viper-move-marker-locally'.
+(viper-deflocalvar viper-insert-point nil)
+(put 'viper-insert-point 'permanent-local t)
;; This remembers the point before dabbrev-expand was called.
-;; If vip-insert-point turns out to be bigger than that, it is reset
-;; back to vip-pre-command-point.
+;; If viper-insert-point turns out to be bigger than that, it is reset
+;; back to viper-pre-command-point.
;; The reason this is needed is because dabbrev-expand (and possibly
;; others) may jump to before the insertion point, delete something and
-;; then reinsert a bigger piece. For instance: bla^blo
-;; If dabbrev-expand is called after `blo' and ^ undicates vip-insert-point,
-;; then point jumps to the beginning of `blo'. If expansion is found, `blablo'
-;; is deleted, and we have |^, where | denotes point. Next, dabbrev-expand
+;; then reinsert a bigger piece. For instance: bla^blo
+;; If dabbrev-expand is called after `blo' and ^ undicates viper-insert-point,
+;; then point jumps to the beginning of `blo'. If expansion is found, `blablo'
+;; is deleted, and we have |^, where | denotes point. Next, dabbrev-expand
;; will insert the expansion, and we get: blablo^
;; Whatever we insert next goes before the ^, i.e., before the
-;; vip-insert-point marker. So, Viper will think that nothing was
-;; inserted. Remembering the orig position of the marker circumvents the
+;; viper-insert-point marker. So, Viper will think that nothing was
+;; inserted. Remembering the orig position of the marker circumvents the
;; problem.
;; We don't know of any command, except dabbrev-expand, that has the same
-;; problem. However, the same trick can be used if such a command is
+;; problem. However, the same trick can be used if such a command is
;; discovered later.
;;
-(vip-deflocalvar vip-pre-command-point nil)
-(put 'vip-pre-command-point 'permanent-local t) ; this is probably an overkill
+(viper-deflocalvar viper-pre-command-point nil)
+(put 'viper-pre-command-point 'permanent-local t) ; this is probably an overkill
;; This is used for saving inserted text.
-(defvar vip-last-insertion nil)
-
+(defvar viper-last-insertion nil)
+
;; Remembers the last replaced region.
-(defvar vip-last-replace-region "")
-
+(defvar viper-last-replace-region "")
+
;; Remember com point as a marker.
-;; This is a local marker. Should be moved with `vip-move-marker-locally'
-(vip-deflocalvar vip-com-point nil)
+;; This is a local marker. Should be moved with `viper-move-marker-locally'
+(viper-deflocalvar viper-com-point nil)
;; If non-nil, the value is a list (M-COM VAL COM REG inserted-text cmd-keys)
;; It is used to re-execute last destructive command.
;; INSERTED-TEXT is text inserted by that command (in case of o, c, C, i, r
;; commands).
;; COMMAND-KEYS are the keys that were typed to invoke the command.
-(defvar vip-d-com nil)
+(defvar viper-d-com nil)
;; The character remembered by the Vi `r' command.
-(defvar vip-d-char nil)
+(defvar viper-d-char nil)
;; Name of register to store deleted or yanked strings
-(defvar vip-use-register nil)
+(defvar viper-use-register nil)
+;;; Variables for Moves and Searches
-;; Variables for Moves and Searches
+(defgroup viper-search nil
+ "Variables that define the search and query-replace behavior of Viper."
+ :prefix "viper-"
+ :group 'viper)
;; For use by `;' command.
-(defvar vip-f-char nil)
+(defvar viper-f-char nil)
;; For use by `.' command.
-(defvar vip-F-char nil)
+(defvar viper-F-char nil)
;; For use by `;' command.
-(defvar vip-f-forward nil)
+(defvar viper-f-forward nil)
;; For use by `;' command.
-(defvar vip-f-offset nil)
+(defvar viper-f-offset nil)
;; Last search string
-(defvar vip-s-string "")
+(defvar viper-s-string "")
-(defvar vip-quote-string "> "
- "String inserted at the beginning of quoted region.")
+(defcustom viper-quote-string "> "
+ "String inserted at the beginning of quoted region."
+ :type 'string
+ :group 'viper)
;; If t, search is forward.
-(defvar vip-s-forward nil)
+(defvar viper-s-forward nil)
-(defconst vip-case-fold-search nil
- "*If not nil, search ignores cases.")
+(defcustom viper-case-fold-search nil
+ "*If not nil, search ignores cases."
+ :type 'boolean
+ :group 'viper-search)
-(defconst vip-re-search t
- "*If not nil, search is reg-exp search, otherwise vanilla search.")
+(defcustom viper-re-search t
+ "*If not nil, search is regexp search, otherwise vanilla search."
+ :type 'boolean
+ :tag "Regexp Search"
+ :group 'viper-search)
-(defvar vip-search-scroll-threshold 2
+(defcustom viper-search-scroll-threshold 2
"*If search lands within this threshnold from the window top/bottom,
the window will be scrolled up or down appropriately, to reveal context.
If you want Viper search to behave as usual in Vi, set this variable to a
-negative number.")
-
-(defconst vip-re-query-replace t
- "*If t then do regexp replace, if nil then do string replace.")
-
-(defconst vip-re-replace t
- "*If t, do regexp replace. nil means do string replace.")
-
-(defvar vip-parse-sexp-ignore-comments t
- "*If t, `%' ignores the parentheses that occur inside comments.")
-
-(vip-deflocalvar vip-ex-style-motion t
- "*Ex-style: the commands l,h do not cross lines, etc.")
-
-(vip-deflocalvar vip-ex-style-editing-in-insert t
- "*The keys ^H, ^? don't jump lines in insert, ESC moves cursor back, etc.
-Note: this doesn't preclude ^H and ^? from deleting characters by moving
-past the insertion point. This is a feature, not a bug. ")
-
-(vip-deflocalvar vip-delete-backwards-in-replace nil
+negative number."
+ :type 'boolean
+ :group 'viper-search)
+
+(defcustom viper-re-query-replace t
+ "*If t then do regexp replace, if nil then do string replace."
+ :type 'boolean
+ :tag "Regexp Query Replace"
+ :group 'viper-search)
+
+(defcustom viper-re-replace t
+ "*If t, do regexp replace. nil means do string replace."
+ :type 'boolean
+ :tag "Regexp Replace"
+ :group 'viper-search)
+
+(defcustom viper-parse-sexp-ignore-comments t
+ "*If t, `%' ignores the parentheses that occur inside comments."
+ :type 'boolean
+ :group 'viper)
+
+(viper-deflocalvar viper-ex-style-motion t "")
+(defcustom viper-ex-style-motion t
+ "*If t, the commands l,h do not cross lines, etc (Ex-style).
+If nil, these commands cross line boundaries."
+ :type 'boolean
+ :group 'viper)
+
+(viper-deflocalvar viper-ex-style-editing t "")
+(defcustom viper-ex-style-editing t
+ "*If t, Ex-style behavior while editing in Vi command and insert states.
+`Backspace' and `Delete' don't cross line boundaries in insert.
+`X' and `x' can't delete characters across line boundary in Vi, etc.
+Note: this doesn't preclude `Backspace' and `Delete' from deleting characters
+by moving past the insertion point. This is a feature, not a bug.
+
+If nil, the above commands can work across lines."
+ :type 'boolean
+ :group 'viper)
+
+(viper-deflocalvar viper-ESC-moves-cursor-back viper-ex-style-editing "")
+(defcustom viper-ESC-moves-cursor-back nil
+ "*If t, ESC moves cursor back when changing from insert to vi state.
+If nil, the cursor stays where it was when ESC was hit."
+ :type 'boolean
+ :group 'viper)
+
+(viper-deflocalvar viper-delete-backwards-in-replace nil "")
+(defcustom viper-delete-backwards-in-replace nil
"*If t, DEL key will delete characters while moving the cursor backwards.
-If nil, the cursor will move backwards without deleting anything.")
-
-(defconst vip-buffer-search-char nil
- "*Key bound for buffer-searching.")
-
-(defconst vip-search-wrap-around-t t
- "*If t, search wraps around.")
-
-(vip-deflocalvar vip-related-files-and-buffers-ring nil
- "*Ring of file and buffer names that are considered to be related to the
-current buffer.
-These buffers can be cycled through via :R and :P commands.")
-(put 'vip-related-files-and-buffers-ring 'permanent-local t)
+If nil, the cursor will move backwards without deleting anything."
+ :type 'boolean
+ :group 'viper)
+
+(defcustom viper-buffer-search-char nil
+ "*Key used for buffer-searching. Must be a character type, e.g., ?g."
+ :type '(choice (const nil) character)
+ :group 'viper-search)
+
+(defcustom viper-search-wrap-around-t t
+ "*If t, search wraps around."
+ :type 'boolean
+ :tag "Search Wraps Around"
+ :group 'viper-search)
+
+(viper-deflocalvar viper-related-files-and-buffers-ring nil "")
+(defcustom viper-related-files-and-buffers-ring nil
+ "*List of file and buffer names that are considered to be related to the current buffer.
+Related buffers can be cycled through via :R and :P commands."
+ :type 'boolean
+ :group 'viper-misc)
+(put 'viper-related-files-and-buffers-ring 'permanent-local t)
;; Used to find out if we are done with searching the current buffer.
-(vip-deflocalvar vip-local-search-start-marker nil)
+(viper-deflocalvar viper-local-search-start-marker nil)
;; As above, but global
-(defvar vip-search-start-marker (make-marker))
+(defvar viper-search-start-marker (make-marker))
;; the search overlay
-(vip-deflocalvar vip-search-overlay nil)
+(viper-deflocalvar viper-search-overlay nil)
-(defvar vip-heading-start
+(defvar viper-heading-start
(concat "^\\s-*(\\s-*defun\\s-\\|" ; lisp
"^{\\s-*$\\|^[_a-zA-Z][^()]*[()].*{\\s-*$\\|" ; C/C++
"^\\s-*class.*{\\|^\\s-*struct.*{\\|^\\s-*enum.*{\\|"
"^\\\\[sb][a-z]*{.*}\\s-*$\\|" ; latex
"^@node\\|@table\\|^@m?enu\\|^@itemize\\|^@if\\|" ; texinfo
"^.+:-") ; prolog
- "*Regexps for Headings. Used by \[\[ and \]\].")
+ "*Regexps for Headings. Used by \[\[ and \]\].")
-(defvar vip-heading-end
+(defvar viper-heading-end
(concat "^}\\|" ; C/C++
"^\\\\end{\\|" ; latex
"^@end \\|" ; texinfo
")\n\n[ \t\n]*\\|" ; lisp
"\\.\\s-*$") ; prolog
- "*Regexps to end Headings/Sections. Used by \[\].")
+ "*Regexps to end Headings/Sections. Used by \[\].")
;; These two vars control the interaction of jumps performed by ' and `.
;; inside the lines.
;; Remembers position of the last jump done using ``'.
-(vip-deflocalvar vip-last-jump nil)
+(viper-deflocalvar viper-last-jump nil)
;; Remembers position of the last jump done using `''.
-(vip-deflocalvar vip-last-jump-ignore 0)
+(viper-deflocalvar viper-last-jump-ignore 0)
;; History variables
;; History of search strings.
-(defvar vip-search-history (list ""))
+(defvar viper-search-history (list ""))
;; History of query-replace strings used as a source.
-(defvar vip-replace1-history nil)
+(defvar viper-replace1-history nil)
;; History of query-replace strings used as replacement.
-(defvar vip-replace2-history nil)
+(defvar viper-replace2-history nil)
;; History of region quoting strings.
-(defvar vip-quote-region-history (list vip-quote-string))
+(defvar viper-quote-region-history (list viper-quote-string))
;; History of Ex-style commands.
-(defvar vip-ex-history nil)
+(defvar viper-ex-history nil)
;; History of shell commands.
-(defvar vip-shell-history nil)
+(defvar viper-shell-history nil)
-;; Last shell command. There are two of these, one for Ex (in viper-ex)
+;; Last shell command. There are two of these, one for Ex (in viper-ex)
;; and one for Vi.
;; Last shell command executed with ! command.
-(defvar vip-last-shell-com nil)
+(defvar viper-last-shell-com nil)
+\f
+;;; Face-saving tricks
+
+(defun viper-hide-face (face)
+ (if (and (viper-has-face-support-p) viper-emacs-p)
+ (add-to-list 'facemenu-unlisted-faces face)))
+
+
+(defgroup viper-highlighting nil
+ "Hilighting of replace region, search pattern, minibuffer, etc."
+ :prefix "viper-"
+ :group 'viper)
+
+
+(defface viper-search-face
+ '((((class color)) (:foreground "Black" :background "khaki"))
+ (t (:underline t :stipple "gray3")))
+ "*Face used to flash out the search pattern."
+ :group 'viper-highlighting)
+;; An internal variable. Viper takes the face from here.
+(defvar viper-search-face 'viper-search-face
+ "Face used to flash out the search pattern.
+DO NOT CHANGE this variable. Instead, use the customization widget
+to customize the actual face object `viper-search-face'
+this variable represents.")
+(viper-hide-face 'viper-search-face)
+
+
+(defface viper-replace-overlay-face
+ '((((class color)) (:foreground "Black" :background "darkseagreen2"))
+ (t (:underline t :stipple "gray3")))
+ "*Face for highlighting replace regions on a window display."
+ :group 'viper-highlighting)
+;; An internal variable. Viper takes the face from here.
+(defvar viper-replace-overlay-face 'viper-replace-overlay-face
+ "Face for highlighting replace regions on a window display.
+DO NOT CHANGE this variable. Instead, use the customization widget
+to customize the actual face object `viper-replace-overlay-face'
+this variable represents.")
+(viper-hide-face 'viper-replace-overlay-face)
+
+
+(defface viper-minibuffer-emacs-face
+ '((((class color)) (:foreground "Black" :background "darkseagreen2"))
+ (t (:weight bold)))
+ "Face used in the Minibuffer when it is in Emacs state."
+ :group 'viper-highlighting)
+;; An internal variable. Viper takes the face from here.
+(defvar viper-minibuffer-emacs-face 'viper-minibuffer-emacs-face
+ "Face used in the Minibuffer when it is in Emacs state.
+DO NOT CHANGE this variable. Instead, use the customization widget
+to customize the actual face object `viper-minibuffer-emacs-face'
+this variable represents.")
+(viper-hide-face 'viper-minibuffer-emacs-face)
+
+
+(defface viper-minibuffer-insert-face
+ '((((class color)) (:foreground "Black" :background "pink"))
+ (t (:slant italic)))
+ "Face used in the Minibuffer when it is in Insert state."
+ :group 'viper-highlighting)
+;; An internal variable. Viper takes the face from here.
+(defvar viper-minibuffer-insert-face 'viper-minibuffer-insert-face
+ "Face used in the Minibuffer when it is in Insert state.
+DO NOT CHANGE this variable. Instead, use the customization widget
+to customize the actual face object `viper-minibuffer-insert-face'
+this variable represents.")
+(viper-hide-face 'viper-minibuffer-insert-face)
+
+
+(defface viper-minibuffer-vi-face
+ '((((class color)) (:foreground "DarkGreen" :background "grey"))
+ (t (:inverse-video t)))
+ "Face used in the Minibuffer when it is in Vi state."
+ :group 'viper-highlighting)
+;; An internal variable. Viper takes the face from here.
+(defvar viper-minibuffer-vi-face 'viper-minibuffer-vi-face
+ "Face used in the Minibuffer when it is in Vi state.
+DO NOT CHANGE this variable. Instead, use the customization widget
+to customize the actual face object `viper-minibuffer-vi-face'
+this variable represents.")
+(viper-hide-face 'viper-minibuffer-vi-face)
+
+;; the current face to be used in the minibuffer
+(viper-deflocalvar
+ viper-minibuffer-current-face viper-minibuffer-emacs-face "")
\f
;;; Miscellaneous
-;; don't bark when mark is inactive
-(setq mark-even-if-inactive t)
-
-(defvar vip-inhibit-startup-message nil
+(defvar viper-inhibit-startup-message nil
"Whether Viper startup message should be inhibited.")
-(defvar vip-always t
- "t means, arrange that vi-state will be a default.")
-
-(defvar vip-custom-file-name (vip-convert-standard-file-name "~/.vip")
- "Viper customisation file.
-This variable must be set _before_ loading Viper.")
-
+(defcustom viper-spell-function 'ispell-region
+ "Spell function used by #s<move> command to spell."
+ :type 'function
+ :group 'viper-misc)
-(defvar vip-spell-function 'ispell-region
- "Spell function used by #s<move> command to spell.")
+(defcustom viper-tags-file-name "TAGS"
+ "The tags file used by Viper."
+ :type 'string
+ :group 'viper-misc)
-(defvar vip-tags-file-name "TAGS"
- "The tags file used by Viper.")
-
-;; Indicates if we are in the middle of executing a command that takes another
-;; command as an argument, e.g., cw, dw, etc.
-(defvar vip-inside-command-argument-action nil)
+(defcustom viper-change-notification-threshold 1
+ "Notify the user when this many lines or characters have been deleted/yanked.
+For line-deleting/yanking commands (like `dd', `yy'), the value denotes the
+number of lines. For character-based commands (such as `x', `dw', etc.), the
+value refers to the number of characters affected."
+ :type 'integer
+ :group 'viper-misc)
;; Minibuffer
-(defvar vip-vi-style-in-minibuffer t
+(defcustom viper-vi-style-in-minibuffer t
"If t, use vi-style editing in minibuffer.
-Should be set in `~/.vip' file.")
-
+Should be set in `~/.viper' file."
+ :type 'boolean
+ :group 'viper)
+
;; overlay used in the minibuffer to indicate which state it is in
-(vip-deflocalvar vip-minibuffer-overlay nil)
+(viper-deflocalvar viper-minibuffer-overlay nil)
+(put 'viper-minibuffer-overlay 'permanent-local t)
;; Hook, specific to Viper, which is run just *before* exiting the minibuffer.
-;; Beginning with Emacs 19.26, the standard `minibuffer-exit-hook' is run
-;; *after* exiting the minibuffer
-(defvar vip-minibuffer-exit-hook nil)
-
-;; setup emacs-supported vi-style feel
-(setq next-line-add-newlines nil
- require-final-newline t)
+;; This is needed because beginning with Emacs 19.26, the standard
+;; `minibuffer-exit-hook' is run *after* exiting the minibuffer
+(defvar viper-minibuffer-exit-hook nil)
-(make-variable-buffer-local 'require-final-newline)
-
;; Mode line
-(defconst vip-vi-state-id "<V> "
+(defconst viper-vi-state-id "<V> "
"Mode line tag identifying the Vi mode of Viper.")
-(defconst vip-emacs-state-id "<E> "
+(defconst viper-emacs-state-id "<E> "
"Mode line tag identifying the Emacs mode of Viper.")
-(defconst vip-insert-state-id "<I> "
+(defconst viper-insert-state-id "<I> "
"Mode line tag identifying the Insert mode of Viper.")
-(defconst vip-replace-state-id "<R> "
+(defconst viper-replace-state-id "<R> "
"Mode line tag identifying the Replace mode of Viper.")
-(defvar vip-vi-state-hook nil
- "*Hooks run just before the switch to Vi mode is completed.")
-(defvar vip-insert-state-hook nil
- "*Hooks run just before the switch to Insert mode is completed.")
-(defvar vip-replace-state-hook nil
- "*Hooks run just before the switch to Replace mode is completed.")
-(defvar vip-emacs-state-hook nil
- "*Hooks run just before the switch to Emacs mode is completed.")
-
-(defvar vip-load-hook nil
- "Hooks run just after loading Viper.")
-
-;;; viper-ex.el ends here
+(defgroup viper-hooks nil
+ "Viper hooks."
+ :prefix "viper-"
+ :group 'viper)
+
+(defcustom viper-vi-state-hook 'viper-restore-cursor-type
+ "*Hooks run just before the switch to Vi mode is completed."
+ :type 'hook
+ :group 'viper-hooks)
+(defcustom viper-insert-state-hook 'viper-set-insert-cursor-type
+ "*Hooks run just before the switch to Insert mode is completed."
+ :type 'hook
+ :group 'viper-hooks)
+(defcustom viper-replace-state-hook 'viper-restore-cursor-type
+ "*Hooks run just before the switch to Replace mode is completed."
+ :type 'hook
+ :group 'viper-hooks)
+(defcustom viper-emacs-state-hook 'viper-restore-cursor-type
+ "*Hooks run just before the switch to Emacs mode is completed."
+ :type 'hook
+ :group 'viper-hooks)
+
+(defcustom viper-load-hook nil
+ "Hooks run just after loading Viper."
+ :type 'hook
+ :group 'viper-hooks)
+
+(defun viper-restore-cursor-type ()
+ (condition-case nil
+ (if viper-xemacs-p
+ (setq bar-cursor nil)
+ (setq cursor-type default-cursor-type))
+ (error nil)))
+
+(defun viper-set-insert-cursor-type ()
+ (if viper-xemacs-p
+ (setq bar-cursor 2)
+ (setq cursor-type '(bar . 2))))
+
+
+;;; Local Variables:
+;;; eval: (put 'viper-deflocalvar 'lisp-indent-hook 'defun)
+;;; End:
+
+;;; arch-tag: 4efa2416-1fcb-4690-be10-1a2a0248d250
+;;; viper-init.el ends here