[bpt/emacs.git] / lisp / term / bg-mouse.el

;;; bg-mouse.el --- GNU Emacs code for BBN Bitgraph mouse.

;; Copyright (C) Free Software Foundation, Inc. Oct 1985.

;; Author: John Robinson <jr@bbn-unix.arpa>
;;	Stephen Gildea <gildea@bbn.com>
;; Maintainer: FSF
;; Keywords: hardware

;; 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 2, 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, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Code:

;;;  Original version by John Robinson (jr@bbn-unix.arpa, bbncca!jr), Oct 1985
;;;  Modularized and enhanced by gildea@bbn.com Nov 1987
;;;  Time stamp <89/03/21 14:27:08 gildea>

;;;  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- (frame-width))	;don't hit column 86!
			    (/ (bg-get-tty-num semicolon) 9)))
       (screen-mouse-y (- (1- (frame-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)))
	  )))

\f
;;; 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 (eq 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 " ")))))
\f
;;; 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)

(provide 'bg-mouse)

;;; bg-mouse.el ends here
Commit	Line	Data
c0274f38 ER	1	;;; bg-mouse.el --- GNU Emacs code for BBN Bitgraph mouse.
c0274f38 ER	2
9750e079 ER	3	;; Copyright (C) Free Software Foundation, Inc. Oct 1985.
9750e079 ER	4
e5167999 ER	5	;; Author: John Robinson <jr@bbn-unix.arpa>
	6	;; Stephen Gildea <gildea@bbn.com>
	7	;; Maintainer: FSF
e5167999 ER	8	;; Keywords: hardware
e5167999 ER	9
54369c0f JB	10	;; This file is part of GNU Emacs.
	11
	12	;; GNU Emacs is free software; you can redistribute it and/or modify
	13	;; it under the terms of the GNU General Public License as published by
e5167999	14	;; the Free Software Foundation; either version 2, or (at your option)
54369c0f JB	15	;; any later version.
	16
	17	;; GNU Emacs is distributed in the hope that it will be useful,
	18	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	;; GNU General Public License for more details.
	21
	22	;; You should have received a copy of the GNU General Public License
2fe590dc EN	23	;; along with GNU Emacs; see the file COPYING. If not, write to the
	24	;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	25	;; Boston, MA 02111-1307, USA.
54369c0f	26
e5167999	27	;;; Code:
54369c0f JB	28
	29	;;; Original version by John Robinson (jr@bbn-unix.arpa, bbncca!jr), Oct 1985
	30	;;; Modularized and enhanced by gildea@bbn.com Nov 1987
e5167999	31	;;; Time stamp <89/03/21 14:27:08 gildea>
54369c0f	32
54369c0f JB	33	;;; User customization option:
	34
	35	(defvar bg-mouse-fast-select-window nil
	36	"*Non-nil for mouse hits to select new window, then execute; else just select.")
	37
	38	;;; These numbers are summed to make the index into the mouse-map.
	39	;;; The low three bits correspond to what the mouse actually sends.
	40	(defconst bg-button-r 1)
	41	(defconst bg-button-m 2)
	42	(defconst bg-button-c 2)
	43	(defconst bg-button-l 4)
	44	(defconst bg-in-modeline 8)
	45	(defconst bg-in-scrollbar 16)
	46	(defconst bg-in-minibuf 24)
	47
	48	;;; semicolon screws up indenting, so use this instead
	49	(defconst semicolon ?\;)
	50
	51	;;; Defuns:
	52
	53	(defun bg-mouse-report (prefix-arg)
	54	"Read, parse, and execute a BBN BitGraph mouse click.
	55
	56	L-- move point \| These apply for mouse click in a window.
	57	--R set mark \| If bg-mouse-fast-select-window is nil,
	58	L-R kill region \| these commands on a nonselected window
	59	-C- move point and yank \| just select that window.
	60	LC- yank-pop \|
	61	-CR or LCR undo \| \"Scroll bar\" is right-hand window column.
	62
	63	on modeline: on \"scroll bar\": in minibuffer:
	64	L-- scroll-up line to top execute-extended-command
	65	--R scroll-down line to bottom eval-expression
	66	-C- proportional goto-char line to middle suspend-emacs
	67
	68	To reinitialize the mouse if the terminal is reset, type ESC : RET"
	69	(interactive "P")
	70	(bg-get-tty-num semicolon)
	71	(let*
e5167999	72	((screen-mouse-x (min (1- (frame-width)) ;don't hit column 86!
54369c0f	73	(/ (bg-get-tty-num semicolon) 9)))
e5167999	74	(screen-mouse-y (- (1- (frame-height)) ;assume default font size.
54369c0f JB	75	(/ (bg-get-tty-num semicolon) 16)))
	76	(bg-mouse-buttons (% (bg-get-tty-num ?c) 8))
	77	(bg-mouse-window (bg-window-from-x-y screen-mouse-x screen-mouse-y))
	78	(bg-cursor-window (selected-window))
	79	(edges (window-edges bg-mouse-window))
	80	(minibuf-p (= screen-mouse-y (1- (screen-height))))
	81	(in-modeline-p (and (not minibuf-p)
	82	(= screen-mouse-y (1- (nth 3 edges)))))
	83	(in-scrollbar-p (and (not minibuf-p) (not in-modeline-p)
	84	(>= screen-mouse-x (1- (nth 2 edges)))))
	85	(same-window-p (eq bg-mouse-window bg-cursor-window))
	86	(in-minibuf-p (and minibuf-p
	87	(not bg-mouse-window))) ;minibuf must be inactive
	88	(bg-mode-bits (+ (if in-minibuf-p bg-in-minibuf 0)
	89	(if in-modeline-p bg-in-modeline 0)
	90	(if in-scrollbar-p bg-in-scrollbar 0)))
	91	(bg-command
	92	(lookup-key mouse-map
	93	(char-to-string (+ bg-mode-bits bg-mouse-buttons))))
	94	(bg-mouse-x (- screen-mouse-x (nth 0 edges)))
	95	(bg-mouse-y (- screen-mouse-y (nth 1 edges))))
	96	(cond ((or in-modeline-p in-scrollbar-p)
	97	(select-window bg-mouse-window)
	98	(bg-command-execute bg-command)
	99	(select-window bg-cursor-window))
	100	((or same-window-p in-minibuf-p)
	101	(bg-command-execute bg-command))
	102	(t ;in another window
	103	(select-window bg-mouse-window)
	104	(if bg-mouse-fast-select-window
	105	(bg-command-execute bg-command)))
	106	)))
	107
	108	\f
	109	;;; Library of commands:
	110
	111	(defun bg-set-point ()
	112	"Move point to location of BitGraph mouse."
	113	(interactive)
	114	(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
	115	(setq this-command 'next-line) ;make subsequent line moves work
	116	(setq temporary-goal-column bg-mouse-x))
	117
	118	(defun bg-set-mark ()
	119	"Set mark at location of BitGraph mouse."
	120	(interactive)
	121	(push-mark)
	122	(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
	123	(exchange-point-and-mark))
	124
	125	(defun bg-yank ()
	126	"Move point to location of BitGraph mouse and yank."
	127	(interactive "*")
	128	(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
	129	(setq this-command 'yank)
	130	(yank))
	131
	132	(defun yank-pop-1 ()
	133	(interactive "*")
	134	(yank-pop 1))
	135
	136	(defun bg-yank-or-pop ()
	137	"Move point to location of BitGraph mouse and yank. If last command
	138	was a yank, do a yank-pop."
139	(interactive "*")
fc4c0f0e	140	(if (eq last-command 'yank)
54369c0f JB	141	(yank-pop 1)
	142	(bg-yank)))
	143
	144	;;; In 18.51, Emacs Lisp doesn't provide most-positive-fixnum
	145	(defconst bg-most-positive-fixnum 8388607)
	146
	147	(defun bg-move-by-percentage ()
	148	"Go to location in buffer that is the same percentage of the way
	149	through the buffer as the BitGraph mouse's X position in the window."
	150	(interactive)
	151	;; check carefully for overflow in intermediate calculations
	152	(goto-char
	153	(cond ((zerop bg-mouse-x)
	154	0)
	155	((< (buffer-size) (/ bg-most-positive-fixnum bg-mouse-x))
	156	;; no danger of overflow: compute it exactly
	157	(/ (* bg-mouse-x (buffer-size))
	158	(1- (window-width))))
	159	(t
	160	;; overflow possible: approximate
	161	(* (/ (buffer-size) (1- (window-width)))
	162	bg-mouse-x))))
	163	(beginning-of-line)
	164	(what-cursor-position))
	165
	166	(defun bg-mouse-line-to-top ()
	167	"Scroll the line pointed to by the BitGraph mouse to the top of the window."
	168	(interactive)
	169	(scroll-up bg-mouse-y))
	170
	171	(defun bg-mouse-line-to-center ()
	172	"Scroll the line pointed to by the BitGraph mouse to the center
	173	of the window"
	174	(interactive)
	175	(scroll-up (/ (+ 2 bg-mouse-y bg-mouse-y (- (window-height))) 2)))
	176
	177	(defun bg-mouse-line-to-bottom ()
	178	"Scroll the line pointed to by the mouse to the bottom of the window."
	179	(interactive)
	180	(scroll-up (+ bg-mouse-y (- 2 (window-height)))))
	181
	182	(defun bg-kill-region ()
	183	(interactive "*")
	184	(kill-region (region-beginning) (region-end)))
	185
	186	(defun bg-insert-moused-sexp ()
	187	"Insert a copy of the word (actually sexp) that the mouse is pointing at.
	188	Sexp is inserted into the buffer at point (where the text cursor is)."
	189	(interactive)
	190	(let ((moused-text
	191	(save-excursion
	192	(bg-move-point-to-x-y bg-mouse-x bg-mouse-y)
	193	(if (looking-at "\\s)")
	194	(forward-char 1)
	195	(forward-sexp 1))
	196	(buffer-substring (save-excursion (backward-sexp 1) (point))
	197	(point)))))
	198	(select-window bg-cursor-window)
	199	(delete-horizontal-space)
	200	(cond
	201	((bolp)
	202	(indent-according-to-mode))
	203	;; In Lisp assume double-quote is closing; in Text assume opening.
	204	;; Why? Because it does the right thing most often.
205	((save-excursion (forward-char -1)
206	(and (not (looking-at "\\s\""))
207	(looking-at "[`'\"\\]\\\|\\s(")))
208	nil)
209	(t
210	(insert-string " ")))
211	(insert-string moused-text)
212	(or (eolp)
213	(looking-at "\\s.\\\|\\s)")
214	(and (looking-at "'") (looking-at "\\sw")) ;hack for text mode
215	(save-excursion (insert-string " ")))))
216	\f
217	;;; Utility functions:
218
219	(defun bg-get-tty-num (term-char)
220	"Read from terminal until TERM-CHAR is read, and return intervening number.
221	If non-numeric not matching TERM-CHAR, reprogram the mouse and signal an error."
222	(let
223	((num 0)
224	(char (- (read-char) 48)))
225	(while (and (>= char 0)
226	(<= char 9))
227	(setq num (+ (* num 10) char))
228	(setq char (- (read-char) 48)))
229	(or (eq term-char (+ char 48))
230	(progn
231	(bg-program-mouse)
232	(error
233	"Invalid data format in bg-mouse command: mouse reinitialized.")))
234	num))
235
236	;;; Note that this fails in the minibuf because move-to-column doesn't
237	;;; allow for the width of the prompt.
238	(defun bg-move-point-to-x-y (x y)
239	"Position cursor in window coordinates.
240	X and Y are 0-based character positions in the window."
241	(move-to-window-line y)
242	;; if not on a wrapped line, zero-column will be 0
243	(let ((zero-column (current-column))
244	(scroll-offset (window-hscroll)))
245	;; scrolling takes up column 0 to display the $
246	(if (> scroll-offset 0)
247	(setq scroll-offset (1- scroll-offset)))
248	(move-to-column (+ zero-column scroll-offset x))
249	))
250
251	;;; Returns the window that screen position (x, y) is in or nil if none,
252	;;; meaning we are in the echo area with a non-active minibuffer.
253	;;; If coordinates-in-window-p were not in an X-windows-specific file
254	;;; we could use that. In Emacs 19 can even use locate-window-from-coordinates
255	(defun bg-window-from-x-y (x y)
256	"Find window corresponding to screen coordinates.
257	X and Y are 0-based character positions on the screen."
258	(let ((edges (window-edges))
259	(window nil))
260	(while (and (not (eq window (selected-window)))
261	(or (< y (nth 1 edges))
262	(>= y (nth 3 edges))
263	(< x (nth 0 edges))
264	(>= x (nth 2 edges))))
265	(setq window (next-window window))
266	(setq edges (window-edges window)))
267	(cond ((eq window (selected-window))
268	nil) ;we've looped: not found
269	((not window)
270	(selected-window)) ;just starting: current window
271	(t
272	window))
273	))
274
275	(defun bg-command-execute (bg-command)
276	(if (commandp bg-command)
277	(command-execute bg-command)
278	(ding)))
279
280	(defun bg-program-mouse ()
281	(send-string-to-terminal "\e:0;7;;;360;512;9;16;9;16c"))
282
283	;;; Note that the doc string for mouse-map (as defined in subr.el)
284	;;; says it is for the X-window mouse. This is wrong; that keymap
285	;;; should be used for your mouse no matter what terminal you have.
286
287	(or (keymapp mouse-map)
288	(setq mouse-map (make-keymap)))
289
290	(defun bind-bg-mouse-click (click-code function)
291	"Bind bg-mouse CLICK-CODE to run FUNCTION."
292	(define-key mouse-map (char-to-string click-code) function))
293
294	(bind-bg-mouse-click bg-button-l 'bg-set-point)
295	(bind-bg-mouse-click bg-button-m 'bg-yank)
296	(bind-bg-mouse-click bg-button-r 'bg-set-mark)
297	(bind-bg-mouse-click (+ bg-button-l bg-button-m) 'yank-pop-1)
298	(bind-bg-mouse-click (+ bg-button-l bg-button-r) 'bg-kill-region)
299	(bind-bg-mouse-click (+ bg-button-m bg-button-r) 'undo)
300	(bind-bg-mouse-click (+ bg-button-l bg-button-m bg-button-r) 'undo)
301	(bind-bg-mouse-click (+ bg-in-modeline bg-button-l) 'scroll-up)
302	(bind-bg-mouse-click (+ bg-in-modeline bg-button-m) 'bg-move-by-percentage)
303	(bind-bg-mouse-click (+ bg-in-modeline bg-button-r) 'scroll-down)
304	(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-l) 'bg-mouse-line-to-top)
305	(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-m) 'bg-mouse-line-to-center)
306	(bind-bg-mouse-click (+ bg-in-scrollbar bg-button-r) 'bg-mouse-line-to-bottom)
307	(bind-bg-mouse-click (+ bg-in-minibuf bg-button-l) 'execute-extended-command)
308	(bind-bg-mouse-click (+ bg-in-minibuf bg-button-m) 'suspend-emacs)
309	(bind-bg-mouse-click (+ bg-in-minibuf bg-button-r) 'eval-expression)
310
49116ac0 JB	311	(provide 'bg-mouse)
49116ac0 JB	312
c0274f38	313	;;; bg-mouse.el ends here