-;; term.el --- general command interpreter in a window stuff
-;; Copyright (C) 1988, 1990, 1992, 1992, 1994 Free Software Foundation, Inc.
+;;; term.el --- general command interpreter in a window stuff
+
+;; Copyright (C) 1988, 1990, 1992, 1994, 1995 Free Software Foundation, Inc.
;; Author: Per Bothner <bothner@cygnus.com>
;; Based on comint mode written by: Olin Shivers <shivers@cs.cmu.edu>
;;; Code:
-(defconst term-version "0.93")
+;;; This is passed to the inferior in the EMACS environment variable,
+;;; so it is important to increase it if there are protocol-relevant changes.
+(defconst term-protocol-version "0.95")
(require 'ring)
(require 'ehelp)
;;; term-delimiter-argument-list - list For delimiters and arguments
;;; term-last-input-start - marker Handy if inferior always echoes
;;; term-last-input-end - marker For term-kill-output command
-;;; term-input-ring-size - integer For the input history
-;;; term-input-ring - ring mechanism
+;; For the input history mechanism:
+(defvar term-input-ring-size 32 "Size of input history ring.")
+;;; term-input-ring-size - integer
+;;; term-input-ring - ring
;;; term-input-ring-index - number ...
;;; term-input-autoexpand - symbol ...
;;; term-input-ignoredups - boolean ...
;;; term-input-send - function
;;; term-scroll-to-bottom-on-output - symbol ...
;;; term-scroll-show-maximum-output - boolean...
+(defvar term-height) ;; Number of lines in window.
+(defvar term-width) ;; Number of columns in window.
+(defvar term-home-marker) ;; Marks the "home" position for cursor addressing.
+(defvar term-saved-home-marker nil) ;; When using alternate sub-buffer,
+;; contains saved term-home-marker from original sub-buffer .
+(defvar term-start-line-column 0) ;; (current-column) at start of screen line,
+;; or nil if unknown.
+(defvar term-current-column 0) ;; If non-nil, is cache for (current-column).
+(defvar term-current-row 0) ;; Current vertical row (relative to home-marker)
+;; or nil if unknown.
+(defvar term-insert-mode nil)
+(defvar term-vertical-motion)
+(defvar term-terminal-state 0) ;; State of the terminal emulator:
+;; state 0: Normal state
+;; state 1: Last character was a graphic in the last column.
+;; If next char is graphic, first move one column right
+;; (and line warp) before displaying it.
+;; This emulates (more or less) the behavior of xterm.
+;; state 2: seen ESC
+;; state 3: seen ESC [ (or ESC [ ?)
+;; state 4: term-terminal-parameter contains pending output.
+(defvar term-kill-echo-list nil) ;; A queue of strings whose echo
+;; we want suppressed.
+(defvar term-terminal-parameter)
+(defvar term-terminal-previous-parameter)
+(defvar term-current-face 'default)
+(defvar term-scroll-start 0) ;; Top-most line (inclusive) of scrolling region.
+(defvar term-scroll-end) ;; Number of line (zero-based) after scrolling region.
+(defvar term-pager-count nil) ;; If nil, paging is disabled.
+;; Otherwise, number of lines before we need to page.
+(defvar term-saved-cursor nil)
+(defvar term-command-hook)
+(defvar term-log-buffer nil)
+(defvar term-scroll-with-delete nil) ;; term-scroll-with-delete is t if
+;; forward scrolling should be implemented by delete to
+;; top-most line(s); and nil if scrolling should be implemented
+;; by moving term-home-marker. It is set to t iff there is a
+;; (non-default) scroll-region OR the alternate buffer is used.
+(defvar term-pending-delete-marker) ;; New user input in line mode needs to
+;; be deleted, because it gets echoed by the inferior.
+;; To reduce flicker, we defer the delete until the next output.
+(defvar term-old-mode-map nil) ;; Saves the old keymap when in char mode.
+(defvar term-old-mode-line-format) ;; Saves old mode-line-format while paging.
+(defvar term-pager-old-local-map nil) ;; Saves old keymap while paging.
+(defvar term-pager-old-filter) ;; Saved process-filter while paging.
(defvar explicit-shell-file-name nil
"*If non-nil, is file name to use for explicitly requested inferior shell.")
See variable `term-scroll-to-bottom-on-output'.
This variable is buffer-local.")
-(defvar term-input-ring-size 32
- "Size of input history ring.")
-
;; Where gud-display-frame should put the debugging arrow. This is
;; set by the marker-filter, which scans the debugger's output for
;; indications of the current pc.
the user command term-send-input. term-simple-send just sends
the string plus a newline.")
+(defvar term-eol-on-send t
+ "*Non-nil means go to the end of the line before sending input.
+See `term-send-input'.")
+
(defvar term-mode-hook '()
"Called upon entry into term-mode
This is run before the process is cranked up.")
(defvar term-mode-map nil)
(defvar term-raw-map nil
"Keyboard map for sending characters directly to the inferior process.")
-(defvar term-escape-char nil)
+(defvar term-escape-char nil
+ "Escape character for char-sub-mode of term mode.
+Do not change it directly; use term-set-escape-char instead.")
(defvar term-raw-escape-map nil)
(defvar term-pager-break-map nil)
(put 'term-scroll-show-maximum-output 'permanent-local t)
(put 'term-ptyp 'permanent-local t)
-(defmacro term-is-emacs19 () '(string-match "^19" emacs-version))
-;; True if running under XEmacs (perviously Lucid emacs).
+;; Do FORMS if running under Emacs-19.
+(defmacro term-if-emacs19 (&rest forms)
+ (if (string-match "^19" emacs-version) (cons 'progn forms)))
+;; True if running under XEmacs (previously Lucid emacs).
(defmacro term-is-xemacs () '(string-match "Lucid" emacs-version))
+;; Do FORM if running under XEmacs (previously Lucid emacs).
+(defmacro term-if-xemacs (&rest forms)
+ (if (term-is-xemacs) (cons 'progn forms)))
+;; Do FORM if NOT running under XEmacs (previously Lucid emacs).
+(defmacro term-ifnot-xemacs (&rest forms)
+ (if (not (term-is-xemacs)) (cons 'progn forms)))
(defmacro term-in-char-mode () '(eq (current-local-map) term-raw-map))
(defmacro term-in-line-mode () '(not (term-in-char-mode)))
+;; True if currently doing PAGER handling.
+(defmacro term-pager-enabled () 'term-pager-count)
+(defmacro term-handling-pager () 'term-pager-old-local-map)
+(defmacro term-using-alternate-sub-buffer () 'term-saved-home-marker)
-(if (term-is-xemacs)
- (defvar term-terminal-menu
- '("Terminal"
- [ "Character mode" term-char-mode (term-in-line-mode)]
- [ "Line mode" term-line-mode (term-in-char-mode)]
- [ "Enable paging" term-pager-enable (not term-pager-count)]
- [ "Disable paging" term-pager-disable term-pager-count]))
-)
+(defvar term-signals-menu)
+(defvar term-terminal-menu)
-(put 'term-char-mode 'menu-enable '(term-in-line-mode))
-(put 'term-line-mode 'menu-enable '(term-in-char-mode))
-(put 'term-pager-enable 'menu-enable '(not term-pager-count))
-(put 'term-pager-disable 'menu-enable 'term-pager-count)
+(term-if-xemacs
+ (defvar term-terminal-menu
+ '("Terminal"
+ [ "Character mode" term-char-mode (term-in-line-mode)]
+ [ "Line mode" term-line-mode (term-in-char-mode)]
+ [ "Enable paging" term-pager-toggle (not term-pager-count)]
+ [ "Disable paging" term-pager-toggle term-pager-count])))
(defun term-mode ()
"Major mode for interacting with an inferior interpreter.
(kill-all-local-variables)
(setq major-mode 'term-mode)
(setq mode-name "Term")
- (setq mode-line-process '(": line %s"))
(use-local-map term-mode-map)
(make-local-variable 'term-home-marker)
(setq term-home-marker (copy-marker 0))
(make-local-variable 'term-saved-home-marker)
- (setq term-saved-home-marker nil)
(make-local-variable 'term-height)
(make-local-variable 'term-width)
(setq term-width (1- (window-width)))
(setq term-height (1- (window-height)))
(make-local-variable 'term-terminal-parameter)
(make-local-variable 'term-saved-cursor)
- (setq term-saved-cursor nil)
(make-local-variable 'term-last-input-start)
(setq term-last-input-start (make-marker))
(make-local-variable 'term-last-input-end)
(make-local-variable 'term-command-hook)
(setq term-command-hook (symbol-function 'term-command-hook))
- ;; state 0: Normal state
- ;; state 1: Last character was a graphic in the last column.
- ;; If next char is graphic, first move one column right
- ;; (and line warp) before displaying it.
- ;; This emulates (more or less) the behavior of xterm.
- ;; state 2: seen ESC
- ;; state 3: seen ESC [ (or ESC [ ?)
- ;; state 4: term-terminal-parameter contains pending output.
(make-local-variable 'term-terminal-state)
- (setq term-terminal-state 0)
-
- ;; A queue of strings whose echo we want suppressed.
(make-local-variable 'term-kill-echo-list)
- (setq term-kill-echo-list nil)
-
- ;; (current-column) at start of screen line, or nil if unknown.
(make-local-variable 'term-start-line-column)
- (setq term-start-line-column 0)
- ;; Cache for (current-column), or nil if unknown.
(make-local-variable 'term-current-column)
- (setq term-current-column 0)
- ;; Current vertical row (from home-marker) or nil if unknown.
(make-local-variable 'term-current-row)
- (setq term-current-row 0)
(make-local-variable 'term-log-buffer)
- (setq term-log-buffer nil)
(make-local-variable 'term-scroll-start)
- (setq term-scroll-start 0)
(make-local-variable 'term-scroll-end)
(setq term-scroll-end term-height)
- ;; term-scroll-with-delete is t if forward scrolling should
- ;; be implemented by delete to top-most line(s); and nil if
- ;; scrolling should be implemented by moving term-home-marker.
- ;; It is set to t iff there is a (non-default) scroll-region
- ;; OR the alternate buffer is used.
(make-local-variable 'term-scroll-with-delete)
- (setq term-scroll-with-delete nil)
(make-local-variable 'term-pager-count)
- ;;(setq term-pager-count 0)
- (setq term-pager-count nil)
- ;; Used to save the old keymap when doing PAGER processing.
(make-local-variable 'term-pager-old-local-map)
- (setq term-pager-old-local-map nil)
- ;; Used to save the old keymap when in char mode.
(make-local-variable 'term-old-mode-map)
- (setq term-old-mode-map nil)
(make-local-variable 'term-insert-mode)
- (setq term-insert-mode nil)
(make-local-variable 'term-dynamic-complete-functions)
(make-local-variable 'term-completion-fignore)
(make-local-variable 'term-get-old-input)
(make-local-variable 'term-input-filter-functions)
(make-local-variable 'term-input-filter)
(make-local-variable 'term-input-sender)
+ (make-local-variable 'term-eol-on-send)
(make-local-variable 'term-scroll-to-bottom-on-output)
(make-local-variable 'term-scroll-show-maximum-output)
(make-local-variable 'term-ptyp)
(make-local-variable 'term-pending-delete-marker)
(setq term-pending-delete-marker (make-marker))
(make-local-variable 'term-current-face)
- (setq term-current-face 'default)
(make-local-variable 'term-pending-frame)
(setq term-pending-frame nil)
- (make-local-variable 'term-chars-mode)
- (setq term-chars-mode nil)
(run-hooks 'term-mode-hook)
- (if (term-is-xemacs)
- (set-buffer-menubar
- (append current-menubar (list term-terminal-menu))))
+ (term-if-xemacs
+ (set-buffer-menubar
+ (append current-menubar (list term-terminal-menu))))
(or term-input-ring
- (setq term-input-ring (make-ring term-input-ring-size))))
+ (setq term-input-ring (make-ring term-input-ring-size)))
+ (term-update-mode-line))
(if term-mode-map
nil
(define-key term-mode-map "\en" 'term-next-input)
(define-key term-mode-map "\er" 'term-previous-matching-input)
(define-key term-mode-map "\es" 'term-next-matching-input)
- (if (term-is-xemacs)
- t
- (define-key term-mode-map [?\A-\M-r] 'term-previous-matching-input-from-input)
- (define-key term-mode-map [?\A-\M-s] 'term-next-matching-input-from-input))
+ (term-ifnot-xemacs
+ (define-key term-mode-map [?\A-\M-r] 'term-previous-matching-input-from-input)
+ (define-key term-mode-map [?\A-\M-s] 'term-next-matching-input-from-input))
(define-key term-mode-map "\e\C-l" 'term-show-output)
(define-key term-mode-map "\C-m" 'term-send-input)
(define-key term-mode-map "\C-d" 'term-delchar-or-maybe-eof)
(define-key term-mode-map "\C-c\C-n" 'term-next-prompt)
(define-key term-mode-map "\C-c\C-p" 'term-previous-prompt)
(define-key term-mode-map "\C-c\C-d" 'term-send-eof)
- (define-key term-mode-map "\C-cc" 'term-char-mode)
- (define-key term-mode-map "\C-cp" 'term-pager-enable)
- (define-key term-mode-map "\C-cD" 'term-pager-disable)
+ (define-key term-mode-map "\C-c\C-k" 'term-char-mode)
+ (define-key term-mode-map "\C-c\C-j" 'term-line-mode)
+ (define-key term-mode-map "\C-c\C-q" 'term-pager-toggle)
(copy-face 'default 'term-underline-face)
(set-face-underline-p 'term-underline-face t)
)
;; Menu bars:
-(if (and (not (boundp 'term-terminal-menu))
- (term-is-emacs19) (not (term-is-xemacs)))
- (progn
- ;; terminal:
- (defvar term-terminal-menu (make-sparse-keymap "Terminal"))
- (define-key term-mode-map [menu-bar terminal]
- (cons "Terminal" term-terminal-menu))
- (define-key term-terminal-menu [terminal-char-mode]
- '("Character mode" . term-char-mode))
- (define-key term-terminal-menu [terminal-line-mode]
- '("Line mode" . term-line-mode))
- (define-key term-terminal-menu [terminal-pager-enable]
- '("Enable paging" . term-pager-enable))
- (define-key term-terminal-menu [terminal-pager-disable]
- '("Disable paging" . term-pager-disable))
-
- ;; completion: (line mode only)
- (defvar term-completion-menu (make-sparse-keymap "Complete"))
- (define-key term-mode-map [menu-bar completion]
- (cons "Complete" term-completion-menu))
- (define-key term-completion-menu [complete-expand]
- '("Expand File Name" . term-replace-by-expanded-filename))
- (define-key term-completion-menu [complete-listing]
- '("File Completion Listing" . term-dynamic-list-filename-completions))
- (define-key term-completion-menu [menu-bar completion complete-file]
- '("Complete File Name" . term-dynamic-complete-filename))
- (define-key term-completion-menu [menu-bar completion complete]
- '("Complete Before Point" . term-dynamic-complete))
-
- ;; Input history: (line mode only)
- (defvar term-inout-menu (make-sparse-keymap "In/Out"))
- (define-key term-mode-map [menu-bar inout]
- (cons "In/Out" term-inout-menu))
- (define-key term-inout-menu [kill-output]
- '("Kill Current Output Group" . term-kill-output))
- (define-key term-inout-menu [next-prompt]
- '("Forward Output Group" . term-next-prompt))
- (define-key term-inout-menu [previous-prompt]
- '("Backward Output Group" . term-previous-prompt))
- (define-key term-inout-menu [show-maximum-output]
- '("Show Maximum Output" . term-show-maximum-output))
- (define-key term-inout-menu [show-output]
- '("Show Current Output Group" . term-show-output))
- (define-key term-inout-menu [kill-input]
- '("Kill Current Input" . term-kill-input))
- (define-key term-inout-menu [copy-input]
- '("Copy Old Input" . term-copy-old-input))
- (define-key term-inout-menu [forward-matching-history]
- '("Forward Matching Input..." . term-forward-matching-input))
- (define-key term-inout-menu [backward-matching-history]
- '("Backward Matching Input..." . term-backward-matching-input))
- (define-key term-inout-menu [next-matching-history]
- '("Next Matching Input..." . term-next-matching-input))
- (define-key term-inout-menu [previous-matching-history]
- '("Previous Matching Input..." . term-previous-matching-input))
- (define-key term-inout-menu [next-matching-history-from-input]
- '("Next Matching Current Input" . term-next-matching-input-from-input))
- (define-key term-inout-menu [previous-matching-history-from-input]
- '("Previous Matching Current Input" . term-previous-matching-input-from-input))
- (define-key term-inout-menu [next-history]
- '("Next Input" . term-next-input))
- (define-key term-inout-menu [previous-history]
- '("Previous Input" . term-previous-input))
- (define-key term-inout-menu [list-history]
- '("List Input History" . term-dynamic-list-input-ring))
- (define-key term-inout-menu [expand-history]
- '("Expand History Before Point" . term-replace-by-expanded-history))
-
- ;; Signals
- (defvar term-signals-menu (make-sparse-keymap "Signals"))
- (define-key term-mode-map [menu-bar signals]
- (cons "Signals" term-signals-menu))
- (define-key term-signals-menu [eof] '("EOF" . term-send-eof))
- (define-key term-signals-menu [kill] '("KILL" . term-kill-subjob))
- (define-key term-signals-menu [quit] '("QUIT" . term-quit-subjob))
- (define-key term-signals-menu [cont] '("CONT" . term-continue-subjob))
- (define-key term-signals-menu [stop] '("STOP" . term-stop-subjob))
- (define-key term-signals-menu [] '("BREAK" . term-interrupt-subjob))
- ))
+(term-ifnot-xemacs
+ (term-if-emacs19
+
+ ;; terminal:
+ (let (newmap)
+ (setq newmap (make-sparse-keymap "Terminal"))
+ (define-key newmap [terminal-pager-enable]
+ '("Enable paging" . term-fake-pager-enable))
+ (define-key newmap [terminal-pager-disable]
+ '("Disable paging" . term-fake-pager-disable))
+ (define-key newmap [terminal-char-mode]
+ '("Character mode" . term-char-mode))
+ (define-key newmap [terminal-line-mode]
+ '("Line mode" . term-line-mode))
+ (define-key newmap [menu-bar terminal]
+ (setq term-terminal-menu (cons "Terminal" newmap)))
+
+ ;; completion: (line mode only)
+ (defvar term-completion-menu (make-sparse-keymap "Complete"))
+ (define-key term-mode-map [menu-bar completion]
+ (cons "Complete" term-completion-menu))
+ (define-key term-completion-menu [complete-expand]
+ '("Expand File Name" . term-replace-by-expanded-filename))
+ (define-key term-completion-menu [complete-listing]
+ '("File Completion Listing" . term-dynamic-list-filename-completions))
+ (define-key term-completion-menu [menu-bar completion complete-file]
+ '("Complete File Name" . term-dynamic-complete-filename))
+ (define-key term-completion-menu [menu-bar completion complete]
+ '("Complete Before Point" . term-dynamic-complete))
+
+ ;; Input history: (line mode only)
+ (defvar term-inout-menu (make-sparse-keymap "In/Out"))
+ (define-key term-mode-map [menu-bar inout]
+ (cons "In/Out" term-inout-menu))
+ (define-key term-inout-menu [kill-output]
+ '("Kill Current Output Group" . term-kill-output))
+ (define-key term-inout-menu [next-prompt]
+ '("Forward Output Group" . term-next-prompt))
+ (define-key term-inout-menu [previous-prompt]
+ '("Backward Output Group" . term-previous-prompt))
+ (define-key term-inout-menu [show-maximum-output]
+ '("Show Maximum Output" . term-show-maximum-output))
+ (define-key term-inout-menu [show-output]
+ '("Show Current Output Group" . term-show-output))
+ (define-key term-inout-menu [kill-input]
+ '("Kill Current Input" . term-kill-input))
+ (define-key term-inout-menu [copy-input]
+ '("Copy Old Input" . term-copy-old-input))
+ (define-key term-inout-menu [forward-matching-history]
+ '("Forward Matching Input..." . term-forward-matching-input))
+ (define-key term-inout-menu [backward-matching-history]
+ '("Backward Matching Input..." . term-backward-matching-input))
+ (define-key term-inout-menu [next-matching-history]
+ '("Next Matching Input..." . term-next-matching-input))
+ (define-key term-inout-menu [previous-matching-history]
+ '("Previous Matching Input..." . term-previous-matching-input))
+ (define-key term-inout-menu [next-matching-history-from-input]
+ '("Next Matching Current Input" . term-next-matching-input-from-input))
+ (define-key term-inout-menu [previous-matching-history-from-input]
+ '("Previous Matching Current Input" . term-previous-matching-input-from-input))
+ (define-key term-inout-menu [next-history]
+ '("Next Input" . term-next-input))
+ (define-key term-inout-menu [previous-history]
+ '("Previous Input" . term-previous-input))
+ (define-key term-inout-menu [list-history]
+ '("List Input History" . term-dynamic-list-input-ring))
+ (define-key term-inout-menu [expand-history]
+ '("Expand History Before Point" . term-replace-by-expanded-history))
+
+ ;; Signals
+ (setq newmap (make-sparse-keymap "Signals"))
+ (define-key newmap [eof] '("EOF" . term-send-eof))
+ (define-key newmap [kill] '("KILL" . term-kill-subjob))
+ (define-key newmap [quit] '("QUIT" . term-quit-subjob))
+ (define-key newmap [cont] '("CONT" . term-continue-subjob))
+ (define-key newmap [stop] '("STOP" . term-stop-subjob))
+ (define-key newmap [] '("BREAK" . term-interrupt-subjob))
+ (define-key term-mode-map [menu-bar signals]
+ (setq term-signals-menu (cons "Signals" newmap)))
+ )))
(defun term-reset-size (height width)
(setq term-height height)
;; Note that (term-current-row) must be called *after*
;; (point) has been updated to (process-mark proc).
(goto-char (process-mark proc))
- (if term-pager-count
+ (if (term-pager-enabled)
(setq term-pager-count (term-current-row)))
(send-string proc chars))))
(defun term-send-raw-meta ()
(interactive)
- ;; Convert `return' to C-m, etc.
- (if (and (symbolp last-input-char)
- (get last-input-char 'ascii-character))
- (setq last-input-char (get last-input-char 'ascii-character)))
- (term-send-raw-string (if (> last-input-char 127)
+ (if (symbolp last-input-char)
+ ;; Convert `return' to C-m, etc.
+ (let ((tmp (get last-input-char 'event-symbol-elements)))
+ (if tmp
+ (setq last-input-char (car tmp)))
+ (if (symbolp last-input-char)
+ (progn
+ (setq tmp (get last-input-char 'ascii-character))
+ (if tmp (setq last-input-char tmp))))))
+ (term-send-raw-string (if (and (numberp last-input-char)
+ (> last-input-char 127)
+ (< last-input-char 256))
(make-string 1 last-input-char)
(format "\e%c" last-input-char))))
(defun term-mouse-paste (click arg)
"Insert the last stretch of killed text at the position clicked on."
(interactive "e\nP")
- (mouse-set-point click)
- (setq this-command 'yank)
- (term-send-raw-string (current-kill (cond
- ((listp arg) 0)
- ((eq arg '-) -1)
- (t (1- arg))))))
+ (term-if-xemacs
+ (term-send-raw-string (or (condition-case () (x-get-selection) (error ()))
+ (x-get-cutbuffer)
+ (error "No selection or cut buffer available"))))
+ (term-ifnot-xemacs
+ ;; Give temporary modes such as isearch a chance to turn off.
+ (run-hooks 'mouse-leave-buffer-hook)
+ (setq this-command 'yank)
+ (term-send-raw-string (current-kill (cond
+ ((listp arg) 0)
+ ((eq arg '-) -1)
+ (t (1- arg)))))))
;; Which would be better: "\e[A" or "\eOA"? readline accepts either.
(defun term-send-up () (interactive) (term-send-raw-string "\e[A"))
(defun term-send-left () (interactive) (term-send-raw-string "\e[D"))
(defun term-set-escape-char (c)
+ "Change term-escape-char and keymaps that depend on it."
(if term-escape-char
(define-key term-raw-map term-escape-char 'term-send-raw))
(setq c (make-string 1 c))
(define-key term-raw-escape-map "\C-u"
(lookup-key (current-global-map) "\C-u"))
(define-key term-raw-escape-map c 'term-send-raw)
- (define-key term-raw-escape-map "p" 'term-pager-enable)
- (define-key term-raw-escape-map "D" 'term-pager-disable)
- (define-key term-raw-escape-map "l" 'term-line-mode))
+ (define-key term-raw-escape-map "\C-q" 'term-pager-toggle)
+ ;; The keybinding for term-char-mode is needed by the menubar code.
+ (define-key term-raw-escape-map "\C-k" 'term-char-mode)
+ (define-key term-raw-escape-map "\C-j" 'term-line-mode))
(defun term-char-mode ()
- "Start using raw keyboard mode to send each character
-to inferior process until a key bound to term-line-mode is encountered."
+ "Switch to char (\"raw\") sub-mode of term mode.
+Each character you type is sent directly to the inferior without
+intervention from emacs, except for the escape character (usually C-c)."
(interactive)
(if (not term-raw-map)
(let* ((map (make-keymap))
(setq term-raw-map map)
(setq term-raw-escape-map
(copy-keymap (lookup-key (current-global-map) "\C-x")))
- (if (term-is-emacs19)
- (progn
- (if (term-is-xemacs)
- (define-key term-raw-map [(button2)] 'term-mouse-paste)
- (progn
- (define-key term-raw-map [mouse-2] 'term-mouse-paste)
- (define-key term-raw-map [menu-bar terminal]
- (cons "Terminal" term-terminal-menu))
- (define-key term-raw-map [menu-bar signals]
- (cons "Signals" term-signals-menu)) ))
- (define-key term-raw-map [up] 'term-send-up)
- (define-key term-raw-map [down] 'term-send-down)
- (define-key term-raw-map [right] 'term-send-right)
- (define-key term-raw-map [left] 'term-send-left)))
+ (term-if-emacs19
+ (term-if-xemacs
+ (define-key term-raw-map [button2] 'term-mouse-paste))
+ (term-ifnot-xemacs
+ (define-key term-raw-map [mouse-2] 'term-mouse-paste)
+ (define-key term-raw-map [menu-bar terminal] term-terminal-menu)
+ (define-key term-raw-map [menu-bar signals] term-signals-menu))
+ (define-key term-raw-map [up] 'term-send-up)
+ (define-key term-raw-map [down] 'term-send-down)
+ (define-key term-raw-map [right] 'term-send-right)
+ (define-key term-raw-map [left] 'term-send-left))
(term-set-escape-char ?\C-c)))
;; FIXME: Emit message? Cfr ilisp-raw-message
- (setq term-old-mode-map (current-local-map))
- (use-local-map term-raw-map)
-
- ;; Send existing partial line to inferior (without newline).
- (let ((pmark (process-mark (get-buffer-process (current-buffer))))
- (save-input-sender term-input-sender))
- (if (> (point) pmark)
- (unwind-protect
- (progn
- (setq term-input-sender (symbol-function 'term-send-string))
- (end-of-line)
- (term-send-input))
- (setq term-input-sender save-input-sender))))
-
- (setq mode-line-process '(": char %s"))
- (set-buffer-modified-p (buffer-modified-p))) ;;No-op, but updates mode line.
+ (if (term-in-line-mode)
+ (progn
+ (setq term-old-mode-map (current-local-map))
+ (use-local-map term-raw-map)
+
+ ;; Send existing partial line to inferior (without newline).
+ (let ((pmark (process-mark (get-buffer-process (current-buffer))))
+ (save-input-sender term-input-sender))
+ (if (> (point) pmark)
+ (unwind-protect
+ (progn
+ (setq term-input-sender
+ (symbol-function 'term-send-string))
+ (end-of-line)
+ (term-send-input))
+ (setq term-input-sender save-input-sender))))
+ (term-update-mode-line))))
(defun term-line-mode ()
+ "Switch to line (\"cooked\") sub-mode of term mode.
+This means that emacs editing commands work as normally, until
+you type \\[term-send-input] which sends the current line to the inferior."
(interactive)
- (use-local-map term-old-mode-map)
- (setq mode-line-process '(": line %s"))
- (set-buffer-modified-p (buffer-modified-p))) ;;No-op, but updates mode line.
+ (if (term-in-char-mode)
+ (progn
+ (use-local-map term-old-mode-map)
+ (term-update-mode-line))))
+
+(defun term-update-mode-line ()
+ (setq mode-line-process
+ (if (term-in-char-mode)
+ (if (term-pager-enabled) '(": char page %s") '(": char %s"))
+ (if (term-pager-enabled) '(": line page %s") '(": line %s"))))
+ (force-mode-line-update))
(defun term-check-proc (buffer)
"True if there is a process associated w/buffer BUFFER, and
(defvar term-term-name "eterm")
; Format string, usage: (format term-termcap-string emacs-term-name "TERMCAP=" 24 80)
(defvar term-termcap-format
- "%s%s:li#%d:co#%d:cl=\\E[;H\\E[2J:bs:am:xn:cm=\\E[%%i%%d;%%dH\
+ "%s%s:li#%d:co#%d:cl=\\E[H\\E[J:cd=\\E[J:bs:am:xn:cm=\\E[%%i%%d;%%dH\
:nd=\\E[C:up=\\E[A:ce=\\E[K:ho=\\E[H:pt\
:al=\\E[L:dl=\\E[M:DL=\\E[%%dM:AL=\\E[%%dL:cs=\\E[%%i%%d;%%dr:sf=\\n\
:te=\\E[2J\\E[?47l\\E8:ti=\\E7\\E[?47h\
-:dc=\\E[P:DC=\\E[%%dP:IC=\\E[%%d@:im=\\E[4h:ei=\E4l:mi:\
+:dc=\\E[P:DC=\\E[%%dP:IC=\\E[%%d@:im=\\E[4h:ei=\\E[4l:mi:\
:so=\\E[7m:se=\\E[m:us=\\E[4m:ue=\\E[m:md=\\E[1m:mr=\\E[7m:me=\\E[m\
:UP=\\E[%%dA:DO=\\E[%%dB:LE=\\E[%%dD:RI=\\E[%%dC"
;;; : -undefine ic
;;; the appropriate environment.
(defun term-exec-1 (name buffer command switches)
-;; The 'if ...; then shift; fi' hack is because Bourne shell
-;; loses one arg when called with -c, and newer shells (bash, ksh) don't.
-;; Thus we add an extra dummy argument "..", and then remove it.
- (apply 'start-process name buffer
-"/bin/sh" "-c" (format "stty sane -nl echo rows %d columns %d; if [ $1 = .. ]; then shift; fi;\
- TERM=$1; export TERM; shift;\
- TERMCAP=$1; export TERMCAP; shift;\
- EMACS=t; export EMACS;\
- exec \"$@\"" term-height term-width)
- ".."
- term-term-name
- (format term-termcap-format "" term-term-name term-height term-width)
- command switches))
+ ;; We need to do an extra (fork-less) exec to run stty.
+ ;; (This would not be needed if we had suitable emacs primitives.)
+ ;; The 'if ...; then shift; fi' hack is because Bourne shell
+ ;; loses one arg when called with -c, and newer shells (bash, ksh) don't.
+ ;; Thus we add an extra dummy argument "..", and then remove it.
+ (let ((process-environment
+ (nconc
+ (list
+ (format "TERM=%s" term-term-name)
+ (if (and (boundp 'system-uses-terminfo) system-uses-terminfo)
+ (format "TERMINFO=%s" data-directory)
+ (format term-termcap-format "TERMCAP="
+ term-term-name term-height term-width))
+ (format "EMACS=%s (term:%s)" emacs-version term-protocol-version)
+ (format "LINES=%d" term-height)
+ (format "COLUMNS=%d" term-width))
+ process-environment)))
+ (apply 'start-process name buffer
+ "/bin/sh" "-c"
+ (format "stty -nl echo rows %d columns %d sane 2>/dev/null;\
+if [ $1 = .. ]; then shift; fi; exec \"$@\""
+ term-height term-width)
+ ".."
+ command switches)))
;;; This should be in emacs, but it isn't.
(defun term-mem (item list &optional elt=)
The input is entered into the input history ring, if the value of variable
`term-input-filter' returns non-nil when called on the input.
+If variable `term-eol-on-send' is non-nil, then point is moved to the
+end of line before sending the input.
+
The values of `term-get-old-input', `term-input-filter-functions', and
`term-input-filter' are chosen according to the command interpreter running
in the buffer. E.g.,
(if (not proc) (error "Current buffer has no process")
(let* ((pmark (process-mark proc))
(pmark-val (marker-position pmark))
- (intxt (if (>= (point) pmark-val)
- (progn (end-of-line)
- (let ((copy (buffer-substring pmark (point))))
- ;; Delete, because inferior should echo.
- (set-marker term-pending-delete-marker
- pmark-val)
- (set-marker (process-mark proc) (point))
- copy))
+ (input-is-new (>= (point) pmark-val))
+ (intxt (if input-is-new
+ (progn (if term-eol-on-send (end-of-line))
+ (buffer-substring pmark (point)))
(funcall term-get-old-input)))
(input (if (not (eq term-input-autoexpand 'input))
;; Just whatever's already there
(delete-region pmark (point))
(insert input)
copy))))
- (if term-pager-count
+ (if (term-pager-enabled)
(save-excursion
(goto-char (process-mark proc))
(setq term-pager-count (term-current-row))))
(funcall (car functions) (concat input "\n"))
(setq functions (cdr functions))))
(setq term-input-ring-index nil)
- (goto-char pmark)
+
;; Update the markers before we send the input
;; in case we get output amidst sending the input.
(set-marker term-last-input-start pmark)
(set-marker term-last-input-end (point))
+ (if input-is-new
+ (progn
+ ;; Set up to delete, because inferior should echo.
+ (if (marker-buffer term-pending-delete-marker)
+ (delete-region term-pending-delete-marker pmark))
+ (set-marker term-pending-delete-marker pmark-val)
+ (set-marker (process-mark proc) (point))))
+ (goto-char pmark)
(funcall term-input-sender proc input)))))
(defun term-get-old-input-default ()
is additionally sent. String is not saved on term input history list.
Security bug: your string can still be temporarily recovered with
\\[view-lossage]."
- (interactive (list (term-read-noecho "Enter non-echoed text")))
(interactive "P") ; Defeat snooping via C-x esc
(if (not (stringp str))
(setq str (term-read-noecho "Non-echoed text: " t)))
(if term-current-row
(setq term-current-row (+ term-current-row delta))))
-;; True if currently doing PAGER handling.
-(defmacro term-handling-pager () 'term-pager-old-local-map)
-
-(defmacro term-using-alternate-sub-buffer () 'term-saved-home-marker)
-
(defun term-terminal-pos ()
(save-excursion ; save-restriction
(let ((save-col (term-current-column))
- (x))
+ x y)
(term-vertical-motion 0)
(setq x (- save-col (current-column)))
(setq y (term-vertical-motion term-height))
;; This iteration, handle only what fits.
(setq count (- count temp))
(setq funny (+ count i)))
- ((> (term-handle-scroll 1) 0)
+ ((or (not (or term-pager-count
+ term-scroll-with-delete))
+ (> (term-handle-scroll 1) 0))
+ (term-adjust-current-row-cache 1)
(setq count (min count term-width))
(setq funny (+ count i))
- (term-adjust-current-row-cache 1)
(setq term-start-line-column
term-current-column))
(t ;; Doing PAGER processing.
(setq count 0 funny i)
(setq term-current-column nil)
(setq term-start-line-column nil)))
- (if term-insert-mode
- ;; Inserting spaces, then deleting them, then
- ;; inserting the actual text seems clumsy, but
- ;; it is simple, and the overhead is miniscule.
- (term-insert-spaces count))
(setq old-point (point))
- (term-move-columns count)
- (delete-region old-point (point))
+ ;; In the common case that we're at the end of
+ ;; the buffer, we can save a little work.
+ (cond ((/= (point) (point-max))
+ (if term-insert-mode
+ ;; Inserting spaces, then deleting them,
+ ;; then inserting the actual text is
+ ;; inefficient, but it is simple, and
+ ;; the actual overhead is miniscule.
+ (term-insert-spaces count))
+ (term-move-columns count)
+ (delete-region old-point (point)))
+ (t (setq term-current-column (+ (term-current-column) count))))
(insert (substring str i funny))
(put-text-property old-point (point)
'face term-current-face)
(setq count (+ count 8 (- (mod count 8))))
(if (< (move-to-column count nil) count)
(term-insert-char char 1))
- (setq term-current-column count)
- (setq term-start-line-column nil))
- ((eq char ?\b)
- (term-move-columns -1))
+ (setq term-current-column count))
((eq char ?\r)
- (term-vertical-motion 0)
- (setq term-current-column nil))
+ ;; Optimize CRLF at end of buffer:
+ (cond ((and (< (setq temp (1+ i)) str-length)
+ (eq (aref str temp) ?\n)
+ (= (point) (point-max))
+ (not (or term-pager-count
+ term-kill-echo-list
+ term-scroll-with-delete)))
+ (insert ?\n)
+ (term-adjust-current-row-cache 1)
+ (setq term-start-line-column 0)
+ (setq term-current-column 0)
+ (setq i temp))
+ (t ;; Not followed by LF or can't optimize:
+ (term-vertical-motion 0)
+ (setq term-current-column 0))))
((eq char ?\n)
(if (not (and term-kill-echo-list
(term-check-kill-echo-list)))
- (term-down 1 0 t)))
+ (term-down 1 t)))
+ ((eq char ?\b)
+ (term-move-columns -1))
((eq char ?\033) ; Escape
(setq term-terminal-state 2))
((eq char 0)) ; NUL: Do nothing
(setq term-terminal-previous-parameter 0)
(setq term-terminal-state 3))
((eq char ?D) ;; scroll forward
- (term-down 1 0 t)
+ (term-handle-deferred-scroll)
+ (term-down 1 t)
(setq term-terminal-state 0))
((eq char ?M) ;; scroll reversed
(term-insert-lines 1)
(setq term-terminal-state 0))
((eq char ?7) ;; Save cursor
+ (term-handle-deferred-scroll)
(setq term-saved-cursor
(cons (term-current-row)
(term-horizontal-column)))
(setq term-terminal-parameter 0))
((eq char ??)) ; Ignore ?
(t
- (term-handle-ansi-escape char)
+ (term-handle-ansi-escape proc char)
(setq term-terminal-state 0)))))
(if (term-handling-pager)
;; Finish stuff to get ready to handle PAGER.
(setq i str-length)))
(setq i (1+ i))))
+ (if (>= (term-current-row) term-height)
+ (term-handle-deferred-scroll))
+
(set-marker (process-mark proc) (point))
(if save-point
(progn (goto-char save-point)
(set-buffer previous-buffer)
(select-window selected))))
+(defun term-handle-deferred-scroll ()
+ (let ((count (- (term-current-row) term-height)))
+ (if (> count 0)
+ (save-excursion
+ (goto-char term-home-marker)
+ (term-vertical-motion count)
+ (set-marker term-home-marker (point))
+ (setq term-current-row (1- term-height))))))
+
;;; Handle a character assuming (eq terminal-state 2) -
;;; i.e. we have previousely seen Escape followed by ?[.
-(defun term-handle-ansi-escape (char)
+(defun term-handle-ansi-escape (proc char)
(cond
((eq char ?H) ; cursor motion
(if (<= term-terminal-parameter 0)
(setq term-terminal-parameter 1))
(if (<= term-terminal-previous-parameter 0)
(setq term-terminal-previous-parameter 1))
+ (if (> term-terminal-previous-parameter term-height)
+ (setq term-terminal-previous-parameter term-height))
+ (if (> term-terminal-parameter term-width)
+ (setq term-terminal-parameter term-width))
(term-goto
(1- term-terminal-previous-parameter)
(1- term-terminal-parameter)))
;; \E[A - cursor up
((eq char ?A)
- (term-down (- (max 1 term-terminal-parameter)) 0 t))
+ (term-handle-deferred-scroll)
+ (term-down (- (max 1 term-terminal-parameter)) t))
;; \E[B - cursor down
((eq char ?B)
- (term-down (max 1 term-terminal-parameter) 0 t))
+ (term-down (max 1 term-terminal-parameter) t))
;; \E[C - cursor right
((eq char ?C)
(term-move-columns (max 1 term-terminal-parameter)))
(setq term-insert-mode t))
((eq term-terminal-parameter 47)
(term-switch-to-alternate-sub-buffer t))))
- ;; \E[?h - DEC Private Mode Reset
+ ;; \E[?l - DEC Private Mode Reset
((eq char ?l)
(cond ((eq term-terminal-parameter 4)
(setq term-insert-mode nil))
((eq term-terminal-parameter 1)
(setq term-current-face 'bold))
(t (setq term-current-face 'default))))
+ ;; \E[6n - Report cursor position
+ ((eq char ?n)
+ (term-handle-deferred-scroll)
+ (process-send-string proc
+ (format "\e[%s;%sR"
+ (1+ (term-current-row))
+ (1+ (term-horizontal-column)))))
;; \E[r - Set scrolling region
((eq char ?r)
(term-scroll-region
0
top))
(setq term-scroll-end
- (if (or (< bottom term-scroll-start) (> bottom term-height))
+ (if (or (<= bottom term-scroll-start) (> bottom term-height))
term-height
bottom))
(setq term-scroll-with-delete
;; If asked to switch to (from) the alternate sub-buffer, and already (not)
;; using it, do nothing. This test is needed for some programs (including
;; emacs) that emit the ti termcap string twice, for unknown reason.
+ (term-handle-deferred-scroll)
(if (eq set (not (term-using-alternate-sub-buffer)))
(let ((row (term-current-row))
(col (term-horizontal-column)))
(setq term-saved-home-marker nil)
(goto-char term-home-marker)))
(setq term-current-column nil)
- (setq term-line-start-column nil)
(setq term-current-row 0)
(term-goto row col))))
(setq term-pending-frame (cons filename fileline))))
((= (aref string 0) ?/)
(cd (substring string 1)))
- ((= (aref string 0) ?!)
- (eval (car (read-from-string string 1))))
+ ;; Allowing the inferior to call functions in emacs is
+ ;; probably too big a security hole.
+ ;; ((= (aref string 0) ?!)
+ ;; (eval (car (read-from-string string 1))))
(t)));; Otherwise ignore it
;; Make sure the file named TRUE-FILE is in a buffer that appears on the screen
;;; "down" as needed so that is no more that a window-full above (point-max).
(defun term-goto-home ()
+ (term-handle-deferred-scroll)
(goto-char term-home-marker)
(setq term-current-row 0)
(setq term-current-column (current-column))
(setq term-start-line-column term-current-column))
-;;; FIXME: This can be optimized some.
(defun term-goto (row col)
- (term-goto-home)
- (term-down row col))
+ (term-handle-deferred-scroll)
+ (cond ((and term-current-row (>= row term-current-row))
+ ;; I assume this is a worthwhile optimization.
+ (term-vertical-motion 0)
+ (setq term-current-column term-start-line-column)
+ (setq row (- row term-current-row)))
+ (t
+ (term-goto-home)))
+ (term-down row)
+ (term-move-columns col))
; The page is full, so enter "pager" mode, and wait for input.
(defun term-process-pager ()
(if (not term-pager-break-map)
(let* ((map (make-keymap))
- (i 0))
+ (i 0) tmp)
; (while (< i 128)
; (define-key map (make-string 1 i) 'term-send-raw)
; (setq i (1+ i)))
(define-key map "D" 'term-pager-disable)
(define-key map "<" 'term-pager-bob)
(define-key map ">" 'term-pager-eob)
+
+ ;; Add menu bar.
+ (term-if-emacs19
+ (term-ifnot-xemacs
+ (define-key map [menu-bar terminal] term-terminal-menu)
+ (define-key map [menu-bar signals] term-signals-menu)
+ (setq tmp (make-sparse-keymap "More pages?"))
+ (define-key tmp [help] '("Help" . term-pager-help))
+ (define-key tmp [disable]
+ '("Diable paging" . term-fake-pager-disable))
+ (define-key tmp [discard]
+ '("Discard remaining output" . term-pager-discard))
+ (define-key tmp [eob] '("Goto to end" . term-pager-eob))
+ (define-key tmp [bob] '("Goto to beginning" . term-pager-bob))
+ (define-key tmp [line] '("1 line forwards" . term-pager-line))
+ (define-key tmp [bline] '("1 line backwards" . term-pager-back-line))
+ (define-key tmp [back] '("1 page backwards" . term-pager-back-page))
+ (define-key tmp [page] '("1 page forwards" . term-pager-page))
+ (define-key map [menu-bar page] (cons "More pages?" tmp))
+ ))
+
(setq term-pager-break-map map)))
; (let ((process (get-buffer-process (current-buffer))))
; (stop-process process))
(list "-- **MORE** "
mode-line-buffer-identification
" [Type ? for help] "
- "%-")))
+ "%-"))
+ (force-mode-line-update))
(defun term-pager-line (lines)
(interactive "p")
(interactive)
(if (term-handling-pager)
(term-pager-continue nil)
- (setq term-pager-count nil)))
+ (setq term-pager-count nil))
+ (term-update-mode-line))
; Enable pager processing.
(defun term-pager-enable ()
(interactive)
- (or term-pager-count
- (setq term-pager-count 0))) ;; Or maybe set to (term-current-row) ??
+ (or (term-pager-enabled)
+ (setq term-pager-count 0)) ;; Or maybe set to (term-current-row) ??
+ (term-update-mode-line))
+
+(defun term-pager-toggle ()
+ (interactive)
+ (if (term-pager-enabled) (term-pager-disable) (term-pager-enable)))
+
+(term-ifnot-xemacs
+ (defalias 'term-fake-pager-enable 'term-pager-toggle)
+ (defalias 'term-fake-pager-disable 'term-pager-toggle)
+ (put 'term-char-mode 'menu-enable '(term-in-line-mode))
+ (put 'term-line-mode 'menu-enable '(term-in-char-mode))
+ (put 'term-fake-pager-enable 'menu-enable '(not term-pager-count))
+ (put 'term-fake-pager-disable 'menu-enable 'term-pager-count))
(defun term-pager-help ()
"Provide help on commands available in a terminal-emulator **MORE** break"
(use-local-map term-pager-old-local-map)
(setq term-pager-old-local-map nil)
(setq mode-line-format term-old-mode-line-format)
+ (force-mode-line-update)
(setq term-pager-count new-count)
(set-process-filter process term-pager-old-filter)
(funcall term-pager-old-filter process "")
(delete-region save-top (point))
(goto-char save-point)
(term-vertical-motion down)
+ (term-adjust-current-row-cache (- scroll-needed))
+ (setq term-current-column nil)
(term-insert-char ?\n scroll-needed))
((and (numberp term-pager-count)
(< (setq term-pager-count (- term-pager-count down))
(setq down 0)
(term-process-pager))
(t
+ (term-adjust-current-row-cache (- scroll-needed))
(term-vertical-motion scroll-needed)
(set-marker term-home-marker (point))))
(goto-char save-point)
- (set-marker save-point nil)
- (setq term-current-column nil)
- (setq term-line-start-column nil)
- (setq term-current-row nil))))
+ (set-marker save-point nil))))
down)
-(defun term-down (down right &optional check-for-scroll)
- "Move down DOWN screen lines vertically, and RIGHT columns horizontally."
+(defun term-down (down &optional check-for-scroll)
+ "Move down DOWN screen lines vertically."
(let ((start-column (term-horizontal-column)))
- (if check-for-scroll
+ (if (and check-for-scroll (or term-scroll-with-delete term-pager-count))
(setq down (term-handle-scroll down)))
(term-adjust-current-row-cache down)
- (setq down (- down (term-vertical-motion down)))
- ; Extend buffer with extra blank lines if needed.
- (if (> down 0) (term-insert-char ?\n down))
- (setq term-current-column nil)
- (setq term-start-line-column (current-column))
- (move-to-column (+ term-start-line-column start-column right) t)))
+ (if (/= (point) (point-max))
+ (setq down (- down (term-vertical-motion down))))
+ ;; Extend buffer with extra blank lines if needed.
+ (cond ((> down 0)
+ (term-insert-char ?\n down)
+ (setq term-current-column 0)
+ (setq term-start-line-column 0))
+ (t
+ (setq term-current-column nil)
+ (setq term-start-line-column (current-column))))
+ (if start-column
+ (term-move-columns start-column))))
;; Assuming point is at the beginning of a screen line,
;; if the line above point wraps around, add a ?\n to undo the wrapping.
(defun term-erase-in-line (kind)
(if (> kind 1) ;; erase left of point
- (let ((cols (term-horizontal-column)) (saved-point (point))
- (term-vertical-motion 0)
- (delete-region (point) saved-point)
- (term-insert-char ?\n cols))))
+ (let ((cols (term-horizontal-column)) (saved-point (point)))
+ (term-vertical-motion 0)
+ (delete-region (point) saved-point)
+ (term-insert-char ?\n cols)))
(if (not (eq kind 1)) ;; erase right of point
(let ((saved-point (point))
(wrapped (and (zerop (term-horizontal-column))
If KIND is 0, erase from (point) to (point-max);
if KIND is 1, erase from home to point; else erase from home to point-max.
Should only be called when point is at the start of a screen line."
+ (term-handle-deferred-scroll)
(cond ((eq term-terminal-parameter 0)
(delete-region (point) (point-max))
(term-unwrap-line))
(delete-region start-region end-region)
(term-unwrap-line)
(if (eq kind 1)
- (term-insert-char \?n row))
+ (term-insert-char ?\n row))
(setq term-current-column nil)
- (setq term-line-start-column nil)
(setq term-current-row nil)
(term-goto row col)))))
(move-to-column (+ (term-current-column) count) t)
(delete-region save-point (point))))
+;;; Insert COUNT spaces after point, but do not change any of
+;;; following screen lines. Hence we may have to delete characters
+;;; at teh end of this screen line to make room.
+
(defun term-insert-spaces (count)
(let ((save-point (point)) (save-eol))
(term-vertical-motion 1)
(save-current-column term-current-column)
(save-start-line-column term-start-line-column)
(save-current-row (term-current-row)))
- (term-down lines 0)
+ (term-down lines)
(delete-region start (point))
- (term-down (- term-scroll-end save-current-row lines) 0)
+ (term-down (- term-scroll-end save-current-row lines))
(term-insert-char ?\n lines)
(setq term-current-column save-current-column)
(setq term-start-line-column save-start-line-column)
(save-current-column term-current-column)
(save-start-line-column term-start-line-column)
(save-current-row (term-current-row)))
- (term-down (- term-scroll-end save-current-row lines) 0)
+ (term-down (- term-scroll-end save-current-row lines))
(setq start-deleted (point))
- (term-down lines 0)
+ (term-down lines)
(delete-region start-deleted (point))
(goto-char start)
(setq term-current-column save-current-column)
(provide 'term)
;;; term.el ends here
-