Commit 54369c0f authored by Jim Blandy's avatar Jim Blandy
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Initial revision

parent 5627d72e
;; GNU Emacs code for BBN Bitgraph mouse.
;; Copyright (C) Free Software Foundation, Inc. Oct 1985.
;; Time stamp <89/03/21 14:27:08 gildea>
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 1, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;; Original version by John Robinson (jr@bbn-unix.arpa, bbncca!jr), Oct 1985
;;; Modularized and enhanced by gildea@bbn.com Nov 1987
(provide 'bg-mouse)
;;; User customization option:
(defvar bg-mouse-fast-select-window nil
"*Non-nil for mouse hits to select new window, then execute; else just select.")
;;; These numbers are summed to make the index into the mouse-map.
;;; The low three bits correspond to what the mouse actually sends.
(defconst bg-button-r 1)
(defconst bg-button-m 2)
(defconst bg-button-c 2)
(defconst bg-button-l 4)
(defconst bg-in-modeline 8)
(defconst bg-in-scrollbar 16)
(defconst bg-in-minibuf 24)
;;; semicolon screws up indenting, so use this instead
(defconst semicolon ?\;)
;;; Defuns:
(defun bg-mouse-report (prefix-arg)
"Read, parse, and execute a BBN BitGraph mouse click.
L-- move point | These apply for mouse click in a window.
--R set mark | If bg-mouse-fast-select-window is nil,
L-R kill region | these commands on a nonselected window
-C- move point and yank | just select that window.
LC- yank-pop |
-CR or LCR undo | \"Scroll bar\" is right-hand window column.
on modeline: on \"scroll bar\": in minibuffer:
L-- scroll-up line to top execute-extended-command
--R scroll-down line to bottom eval-expression
-C- proportional goto-char line to middle suspend-emacs
To reinitialize the mouse if the terminal is reset, type ESC : RET"
(interactive "P")
(bg-get-tty-num semicolon)
(let*
((screen-mouse-x (min (1- (screen-width)) ;don't hit column 86!
(/ (bg-get-tty-num semicolon) 9)))
(screen-mouse-y (- (1- (screen-height)) ;assume default font size.
(/ (bg-get-tty-num semicolon) 16)))
(bg-mouse-buttons (% (bg-get-tty-num ?c) 8))
(bg-mouse-window (bg-window-from-x-y screen-mouse-x screen-mouse-y))
(bg-cursor-window (selected-window))
(edges (window-edges bg-mouse-window))
(minibuf-p (= screen-mouse-y (1- (screen-height))))
(in-modeline-p (and (not minibuf-p)
(= screen-mouse-y (1- (nth 3 edges)))))
(in-scrollbar-p (and (not minibuf-p) (not in-modeline-p)
(>= screen-mouse-x (1- (nth 2 edges)))))
(same-window-p (eq bg-mouse-window bg-cursor-window))
(in-minibuf-p (and minibuf-p
(not bg-mouse-window))) ;minibuf must be inactive
(bg-mode-bits (+ (if in-minibuf-p bg-in-minibuf 0)
(if in-modeline-p bg-in-modeline 0)
(if in-scrollbar-p bg-in-scrollbar 0)))
(bg-command
(lookup-key mouse-map
(char-to-string (+ bg-mode-bits bg-mouse-buttons))))
(bg-mouse-x (- screen-mouse-x (nth 0 edges)))
(bg-mouse-y (- screen-mouse-y (nth 1 edges))))
(cond ((or in-modeline-p in-scrollbar-p)
(select-window bg-mouse-window)
(bg-command-execute bg-command)
(select-window bg-cursor-window))
((or same-window-p in-minibuf-p)
(bg-command-execute bg-command))
(t ;in another window
(select-window bg-mouse-window)
(if bg-mouse-fast-select-window
(bg-command-execute bg-command)))
)))
;;; Library of commands:
(defun bg-set-point ()
"Move point to location of BitGraph mouse."
(interactive)
(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
(setq this-command 'next-line) ;make subsequent line moves work
(setq temporary-goal-column bg-mouse-x))
(defun bg-set-mark ()
"Set mark at location of BitGraph mouse."
(interactive)
(push-mark)
(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
(exchange-point-and-mark))
(defun bg-yank ()
"Move point to location of BitGraph mouse and yank."
(interactive "*")
(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
(setq this-command 'yank)
(yank))
(defun yank-pop-1 ()
(interactive "*")
(yank-pop 1))
(defun bg-yank-or-pop ()
"Move point to location of BitGraph mouse and yank. If last command
was a yank, do a yank-pop."
(interactive "*")
(if (eql last-command 'yank)
(yank-pop 1)
(bg-yank)))
;;; In 18.51, Emacs Lisp doesn't provide most-positive-fixnum
(defconst bg-most-positive-fixnum 8388607)
(defun bg-move-by-percentage ()
"Go to location in buffer that is the same percentage of the way
through the buffer as the BitGraph mouse's X position in the window."
(interactive)
;; check carefully for overflow in intermediate calculations
(goto-char
(cond ((zerop bg-mouse-x)
0)
((< (buffer-size) (/ bg-most-positive-fixnum bg-mouse-x))
;; no danger of overflow: compute it exactly
(/ (* bg-mouse-x (buffer-size))
(1- (window-width))))
(t
;; overflow possible: approximate
(* (/ (buffer-size) (1- (window-width)))
bg-mouse-x))))
(beginning-of-line)
(what-cursor-position))
(defun bg-mouse-line-to-top ()
"Scroll the line pointed to by the BitGraph mouse to the top of the window."
(interactive)
(scroll-up bg-mouse-y))
(defun bg-mouse-line-to-center ()
"Scroll the line pointed to by the BitGraph mouse to the center
of the window"
(interactive)
(scroll-up (/ (+ 2 bg-mouse-y bg-mouse-y (- (window-height))) 2)))
(defun bg-mouse-line-to-bottom ()
"Scroll the line pointed to by the mouse to the bottom of the window."
(interactive)
(scroll-up (+ bg-mouse-y (- 2 (window-height)))))
(defun bg-kill-region ()
(interactive "*")
(kill-region (region-beginning) (region-end)))
(defun bg-insert-moused-sexp ()
"Insert a copy of the word (actually sexp) that the mouse is pointing at.
Sexp is inserted into the buffer at point (where the text cursor is)."
(interactive)
(let ((moused-text
(save-excursion
(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
(if (looking-at "\\s)")
(forward-char 1)
(forward-sexp 1))
(buffer-substring (save-excursion (backward-sexp 1) (point))
(point)))))
(select-window bg-cursor-window)
(delete-horizontal-space)
(cond
((bolp)
(indent-according-to-mode))
;; In Lisp assume double-quote is closing; in Text assume opening.
;; Why? Because it does the right thing most often.
((save-excursion (forward-char -1)
(and (not (looking-at "\\s\""))
(looking-at "[`'\"\\]\\|\\s(")))
nil)
(t
(insert-string " ")))
(insert-string moused-text)
(or (eolp)
(looking-at "\\s.\\|\\s)")
(and (looking-at "'") (looking-at "\\sw")) ;hack for text mode
(save-excursion (insert-string " ")))))
;;; Utility functions:
(defun bg-get-tty-num (term-char)
"Read from terminal until TERM-CHAR is read, and return intervening number.
If non-numeric not matching TERM-CHAR, reprogram the mouse and signal an error."
(let
((num 0)
(char (- (read-char) 48)))
(while (and (>= char 0)
(<= char 9))
(setq num (+ (* num 10) char))
(setq char (- (read-char) 48)))
(or (eq term-char (+ char 48))
(progn
(bg-program-mouse)
(error
"Invalid data format in bg-mouse command: mouse reinitialized.")))
num))
;;; Note that this fails in the minibuf because move-to-column doesn't
;;; allow for the width of the prompt.
(defun bg-move-point-to-x-y (x y)
"Position cursor in window coordinates.
X and Y are 0-based character positions in the window."
(move-to-window-line y)
;; if not on a wrapped line, zero-column will be 0
(let ((zero-column (current-column))
(scroll-offset (window-hscroll)))
;; scrolling takes up column 0 to display the $
(if (> scroll-offset 0)
(setq scroll-offset (1- scroll-offset)))
(move-to-column (+ zero-column scroll-offset x))
))
;;; Returns the window that screen position (x, y) is in or nil if none,
;;; meaning we are in the echo area with a non-active minibuffer.
;;; If coordinates-in-window-p were not in an X-windows-specific file
;;; we could use that. In Emacs 19 can even use locate-window-from-coordinates
(defun bg-window-from-x-y (x y)
"Find window corresponding to screen coordinates.
X and Y are 0-based character positions on the screen."
(let ((edges (window-edges))
(window nil))
(while (and (not (eq window (selected-window)))
(or (< y (nth 1 edges))
(>= y (nth 3 edges))
(< x (nth 0 edges))
(>= x (nth 2 edges))))
(setq window (next-window window))
(setq edges (window-edges window)))
(cond ((eq window (selected-window))
nil) ;we've looped: not found
((not window)
(selected-window)) ;just starting: current window
(t
window))
))
(defun bg-command-execute (bg-command)
(if (commandp bg-command)
(command-execute bg-command)
(ding)))
(defun bg-program-mouse ()
(send-string-to-terminal "\e:0;7;;;360;512;9;16;9;16c"))
;;; Note that the doc string for mouse-map (as defined in subr.el)
;;; says it is for the X-window mouse. This is wrong; that keymap
;;; should be used for your mouse no matter what terminal you have.
(or (keymapp mouse-map)
(setq mouse-map (make-keymap)))
(defun bind-bg-mouse-click (click-code function)
"Bind bg-mouse CLICK-CODE to run FUNCTION."
(define-key mouse-map (char-to-string click-code) function))
(bind-bg-mouse-click bg-button-l 'bg-set-point)
(bind-bg-mouse-click bg-button-m 'bg-yank)
(bind-bg-mouse-click bg-button-r 'bg-set-mark)
(bind-bg-mouse-click (+ bg-button-l bg-button-m) 'yank-pop-1)
(bind-bg-mouse-click (+ bg-button-l bg-button-r) 'bg-kill-region)
(bind-bg-mouse-click (+ bg-button-m bg-button-r) 'undo)
(bind-bg-mouse-click (+ bg-button-l bg-button-m bg-button-r) 'undo)
(bind-bg-mouse-click (+ bg-in-modeline bg-button-l) 'scroll-up)
(bind-bg-mouse-click (+ bg-in-modeline bg-button-m) 'bg-move-by-percentage)
(bind-bg-mouse-click (+ bg-in-modeline bg-button-r) 'scroll-down)
(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-l) 'bg-mouse-line-to-top)
(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-m) 'bg-mouse-line-to-center)
(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-r) 'bg-mouse-line-to-bottom)
(bind-bg-mouse-click (+ bg-in-minibuf bg-button-l) 'execute-extended-command)
(bind-bg-mouse-click (+ bg-in-minibuf bg-button-m) 'suspend-emacs)
(bind-bg-mouse-click (+ bg-in-minibuf bg-button-r) 'eval-expression)
;; bib-mode, major mode for editing bib files.
;; Copyright (C) 1989 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 1, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;; Bib-Mode
;; GNU Emacs code to help maintain databases compatible with (troff)
;; refer and lookbib. The file bib-file should be set to your
;; bibliography file. Keys are automagically inserted as you type,
;; and appropriate keys are presented for various kinds of entries.
(provide 'bib-mode)
(defvar bib-file "~/my-bibliography.bib"
"Default name of file used by `addbib'.")
(defvar unread-bib-file "~/to-be-read.bib"
"Default name of file used by `unread-bib' in Bib mode.")
(defvar bib-mode-map (copy-keymap text-mode-map))
(define-key bib-mode-map "\C-M" 'return-key-bib)
(define-key bib-mode-map "\C-c\C-u" 'unread-bib)
(define-key bib-mode-map "\C-c\C-@" 'mark-bib)
(define-key bib-mode-map "\e`" 'abbrev-mode)
(defvar bib-mode-abbrev-table nil
"Abbrev table used in Bib mode")
(defun addbib ()
"Set up editor to add to troff bibliography file specified
by global variable `bib-file'. See description of `bib-mode'."
(interactive)
(find-file bib-file)
(goto-char (point-max))
(bib-mode)
)
(defun bib-mode ()
"Mode for editing `lookbib' style bibliographies.
Hit RETURN to get next % field key.
If you want to ignore this field, just hit RETURN again.
Use `text-mode' to turn this feature off.
journal papers: A* T D J V N P K W X
articles in books & proceedings: A* T D B E* I C P K W X
tech reports: A* T D R I C K W X
books: A* T D I C K W X
Fields:
A uthor T itle D ate J ournal
V olume N umber P age K eywords
B in book or proceedings E ditor C ity & state
I nstitution, school, or publisher
R eport number or 'phd thesis' or 'masters thesis' or 'draft' or
'unnumbered' or 'unpublished'
W here can be found locally (login name, or ailib, etc.)
X comments (not used in indexing)
\\[unread-bib] appends current entry to a different file (for example,
a file of papers to be read in the future), given by the value of the
variable `unread-bib-file'.
\\[mark-bib] marks current or previous entry.
Abbreviations are saved in `bib-mode-abbrev-table'.
Hook can be stored in `bib-mode-hook'.
Field keys given by variable `bib-assoc'.
Commands:
\\{bib-mode-map}
"
(interactive)
(text-mode)
(use-local-map bib-mode-map)
(setq mode-name "Bib")
(setq major-mode 'bib-mode)
(define-abbrev-table 'bib-mode-abbrev-table ())
(setq local-abbrev-table bib-mode-abbrev-table)
(abbrev-mode 1)
(run-hooks 'bib-mode-hook)
)
(defconst bib-assoc '(
(" *$" . "%A ")
("%A ." . "%A ")
("%A $" . "%T ")
("%T " . "%D ")
("%D " . "%J ")
("%J ." . "%V ")
("%V " . "%N ")
("%N " . "%P ")
("%P " . "%K ")
("%K " . "%W ")
("%W " . "%X ")
("%X " . "")
("%J $" . "%B ")
("%B ." . "%E ")
("%E ." . "%E ")
("%E $" . "%I ")
("%I " . "%C ")
("%C " . "%P ")
("%B $" . "%R ")
("%R " . "%I ")
)
"Describes bibliographic database format. A line beginning with
the car of an entry is followed by one beginning with the cdr.
")
(defun bib-find-key (slots)
(cond
((null slots)
(if (bobp)
""
(progn (previous-line 1) (bib-find-key bib-assoc))))
((looking-at (car (car slots)))
(cdr (car slots)))
(t (bib-find-key (cdr slots)))
))
(defvar bib-auto-capitalize t
"*True to automatically capitalize appropriate fields in Bib mode.")
(defconst bib-capitalized-fields "%[AETCBIJR]")
(defun return-key-bib ()
"Magic when user hits return, used by `bib-mode'."
(interactive)
(if (eolp)
(let (empty new-key beg-current end-current)
(beginning-of-line)
(setq empty (looking-at "%. $"))
(if (not empty)
(progn
(end-of-line)
(newline)
(forward-line -1)
))
(end-of-line)
(setq end-current (point))
(beginning-of-line)
(setq beg-current (point))
(setq new-key (bib-find-key bib-assoc))
(if (and (not empty) bib-auto-capitalize
(looking-at bib-capitalized-fields))
(save-excursion
(capitalize-title-region (+ (point) 3) end-current)))
(goto-char beg-current)
(if empty
(kill-line nil)
(forward-line 1)
)
(insert-string new-key))
(newline)))
(defun mark-bib ()
"Set mark at beginning of current or previous bib entry, point at end."
(interactive)
(beginning-of-line nil)
(if (looking-at "^ *$") (re-search-backward "[^ \n]" nil 2))
(re-search-backward "^ *$" nil 2)
(re-search-forward "^%")
(beginning-of-line nil)
(push-mark (point))
(re-search-forward "^ *$" nil 2)
(next-line 1)
(beginning-of-line nil))
(defun unread-bib ()
"Append current or previous entry to file of unread papers
named by variable `unread-bib-file'."
(interactive)
(mark-bib)
(if (get-file-buffer unread-bib-file)
(append-to-buffer (get-file-buffer unread-bib-file) (mark) (point))
(append-to-file (mark) (point) unread-bib-file)))
(defvar capitalize-title-stop-words
(concat
"the\\|and\\|of\\|is\\|a\\|an\\|of\\|for\\|in\\|to\\|in\\|on\\|at\\|"
"by\\|with\\|that\\|its")
"Words not to be capitialized in a title (unless they're the first word
in the title).")
(defvar capitalize-title-stop-regexp
(concat "\\(" capitalize-title-stop-words "\\)\\(\\b\\|'\\)"))
(defun capitalize-title-region (begin end)
"Like `capitalize-region', but don't capitalize stop words, except the first."
(interactive "r")
(let ((case-fold-search nil) (orig-syntax-table (syntax-table)))
(unwind-protect
(save-restriction
(set-syntax-table text-mode-syntax-table)
(narrow-to-region begin end)
(goto-char (point-min))
(if (looking-at "[A-Z][a-z]*[A-Z]")
(forward-word 1)
(capitalize-word 1))
(while (re-search-forward "\\<" nil t)
(if (looking-at "[A-Z][a-z]*[A-Z]")
(forward-word 1)
(if (let ((case-fold-search t))
(looking-at capitalize-title-stop-regexp))
(downcase-word 1)
(capitalize-word 1)))
))
(set-syntax-table orig-syntax-table))))
(defun capitalize-title (s)
"Like `capitalize', but don't capitalize stop words, except the first."
(save-excursion
(set-buffer (get-buffer-create "$$$Scratch$$$"))
(erase-buffer)
(insert s)
(capitalize-title-region (point-min) (point-max))
(buffer-string)))
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