dotfiles/.emacs.d/vim-mode/vim-insert-mode.el
michener 5b6729933d Add emacs directory
git-svn-id: http://photonzero.com/dotfiles/trunk@54 23f722f6-122a-0410-8cef-c75bd312dd78
2010-08-12 01:19:45 +00:00

79 lines
2.7 KiB
EmacsLisp

;;; vim-insert-mode.el - VIM insert-mode.
;; Copyright (C) 2009, 2010 Frank Fischer
;; Author: Frank Fischer <frank.fischer@mathematik.tu-chemnitz.de>,
;;
;; This file is not part of GNU Emacs.
;;; TODO :
;; - for some reason GNU Emacs does not show '-- REPLACE --'
;;; Code:
(vim:deflocalvar vim:last-insert-undo nil)
(defcustom vim:insert-mode-replace-cursor 'hbar
"Cursor for replace-mode."
:group 'vim-mode)
(vim:define-keymap insert-mode "insert-mode" :map-command imap)
(vim:define-mode insert "VIM insert-mode"
:ident "I"
:message "-- INSERT --"
:keymaps '(vim:insert-mode-keymap)
:command-function 'vim:insert-mode-command
:cursor 'bar)
(add-hook 'vim:insert-mode-on-hook 'vim:insert-mode-activated)
(add-hook 'vim:insert-mode-off-hook 'vim:insert-mode-deactivated)
(vim:defcmd vim:insert-mode-toggle-replace ()
"Toggles overwrite-mode in insert-mode."
(unless (vim:insert-mode-p)
(error "Toggling overwrite-mode only allowed in insert-mode."))
(overwrite-mode nil)
(if overwrite-mode
(progn
(let (message-log-max) (message "-- REPLACE --"))
(setq cursor-type vim:insert-mode-replace-cursor)
(vim:update-mode-line "R"))
(progn
(let (message-log-max) (message "-- INSERT --"))
(setq cursor-type vim:insert-mode-cursor)
(vim:update-mode-line "I"))))
(defun vim:insert-mode-command (command)
"Executes a simple command in insert mode."
(case (vim:cmd-type command)
('simple (vim:normal-execute-simple-command command))
('complex (error "No complex command allowed in insert-mode."))
(t (vim:normal-execute-motion command))))
(defun vim:insert-mode-activated ()
"Called when insert-mode is activated."
(overwrite-mode -1)
(setq vim:last-insert-undo vim:last-undo)
(add-hook 'pre-command-hook 'vim:insert-save-key-sequence))
(defun vim:insert-mode-deactivated ()
"Called when insert-mode is deactivated."
(overwrite-mode -1)
(vim:set-mark ?^)
(remove-hook 'pre-command-hook 'vim:insert-save-key-sequence)
;; the command that has just ended insert-mode should NOT be repeatable
;; and will therefore NOT override repeat-sequence.
(setq vim:repeat-events (vconcat vim:repeat-events
vim:current-key-sequence))
(setq vim:last-undo vim:last-insert-undo))
(defun vim:insert-save-key-sequence ()
"Called in insert-mode to save key-events."
(when (and (vim:toplevel-execution)
(not (eq this-command 'vim:intercept-ESC)))
(setq vim:current-key-sequence (vconcat vim:current-key-sequence
(vim:this-command-keys)))))
(provide 'vim-insert-mode)
;;; vim-insert-mode.el ends here