-;;;!! ;;;;
-;;;!! ;;;; Here are experimental things being tested. Mouse events
-;;;!! ;;;; are of the form:
-;;;!! ;;;; ((x y) window screen-part key-sequence timestamp)
-;;;!! ;;
-;;;!! ;;;;
-;;;!! ;;;; Dynamically track mouse coordinates
-;;;!! ;;;;
-;;;!! ;;
-;;;!! ;;(defun track-mouse (event)
-;;;!! ;; "Track the coordinates, absolute and relative, of the mouse."
-;;;!! ;; (interactive "@e")
-;;;!! ;; (while mouse-grabbed
-;;;!! ;; (let* ((pos (read-mouse-position (selected-screen)))
-;;;!! ;; (abs-x (car pos))
-;;;!! ;; (abs-y (cdr pos))
-;;;!! ;; (relative-coordinate (coordinates-in-window-p
-;;;!! ;; (list (car pos) (cdr pos))
-;;;!! ;; (selected-window))))
-;;;!! ;; (if (consp relative-coordinate)
-;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
-;;;!! ;; (car relative-coordinate)
-;;;!! ;; (car (cdr relative-coordinate)))
-;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y)))))
-;;;!!
-;;;!! ;;
-;;;!! ;; Dynamically put a box around the line indicated by point
-;;;!! ;;
-;;;!! ;;
-;;;!! ;;(require 'backquote)
-;;;!! ;;
-;;;!! ;;(defun mouse-select-buffer-line (event)
-;;;!! ;; (interactive "@e")
-;;;!! ;; (let ((relative-coordinate
-;;;!! ;; (coordinates-in-window-p (car event) (selected-window)))
-;;;!! ;; (abs-y (car (cdr (car event)))))
-;;;!! ;; (if (consp relative-coordinate)
-;;;!! ;; (progn
-;;;!! ;; (save-excursion
-;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
-;;;!! ;; (x-draw-rectangle
-;;;!! ;; (selected-screen)
-;;;!! ;; abs-y 0
-;;;!! ;; (save-excursion
-;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
-;;;!! ;; (end-of-line)
-;;;!! ;; (push-mark nil t)
-;;;!! ;; (beginning-of-line)
-;;;!! ;; (- (region-end) (region-beginning))) 1))
-;;;!! ;; (sit-for 1)
-;;;!! ;; (x-erase-rectangle (selected-screen))))))
-;;;!! ;;
-;;;!! ;;(defvar last-line-drawn nil)
-;;;!! ;;(defvar begin-delim "[^ \t]")
-;;;!! ;;(defvar end-delim "[^ \t]")
-;;;!! ;;
-;;;!! ;;(defun mouse-boxing (event)
-;;;!! ;; (interactive "@e")
-;;;!! ;; (save-excursion
-;;;!! ;; (let ((screen (selected-screen)))
-;;;!! ;; (while (= (x-mouse-events) 0)
-;;;!! ;; (let* ((pos (read-mouse-position screen))
-;;;!! ;; (abs-x (car pos))
-;;;!! ;; (abs-y (cdr pos))
-;;;!! ;; (relative-coordinate
-;;;!! ;; (coordinates-in-window-p `(,abs-x ,abs-y)
-;;;!! ;; (selected-window)))
-;;;!! ;; (begin-reg nil)
-;;;!! ;; (end-reg nil)
-;;;!! ;; (end-column nil)
-;;;!! ;; (begin-column nil))
-;;;!! ;; (if (and (consp relative-coordinate)
-;;;!! ;; (or (not last-line-drawn)
-;;;!! ;; (not (= last-line-drawn abs-y))))
-;;;!! ;; (progn
-;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
-;;;!! ;; (if (= (following-char) 10)
-;;;!! ;; ()
-;;;!! ;; (progn
-;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim)))
-;;;!! ;; (setq begin-column (1- (current-column)))
-;;;!! ;; (end-of-line)
-;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim)))
-;;;!! ;; (setq end-column (1+ (current-column)))
-;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg))
-;;;!! ;; (x-draw-rectangle screen
-;;;!! ;; (setq last-line-drawn abs-y)
-;;;!! ;; begin-column
-;;;!! ;; (- end-column begin-column) 1))))))))))
-;;;!! ;;
-;;;!! ;;(defun mouse-erase-box ()
-;;;!! ;; (interactive)
-;;;!! ;; (if last-line-drawn
-;;;!! ;; (progn
-;;;!! ;; (x-erase-rectangle (selected-screen))
-;;;!! ;; (setq last-line-drawn nil))))
-;;;!!
-;;;!! ;;; (defun test-x-rectangle ()
-;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
-;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
-;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
-;;;!!
-;;;!! ;;
-;;;!! ;; Here is how to do double clicking in lisp. About to change.
-;;;!! ;;
-;;;!!
-;;;!! (defvar double-start nil)
-;;;!! (defconst double-click-interval 300
-;;;!! "Max ticks between clicks")
-;;;!!
-;;;!! (defun double-down (event)
-;;;!! (interactive "@e")
-;;;!! (if double-start
-;;;!! (let ((interval (- (nth 4 event) double-start)))
-;;;!! (if (< interval double-click-interval)
-;;;!! (progn
-;;;!! (backward-up-list 1)
-;;;!! ;; (message "Interval %d" interval)
-;;;!! (sleep-for 1)))
-;;;!! (setq double-start nil))
-;;;!! (setq double-start (nth 4 event))))
-;;;!!
-;;;!! (defun double-up (event)
-;;;!! (interactive "@e")
-;;;!! (and double-start
-;;;!! (> (- (nth 4 event ) double-start) double-click-interval)
-;;;!! (setq double-start nil)))
-;;;!!
-;;;!! ;;; (defun x-test-doubleclick ()
-;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
-;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
-;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
-;;;!!
-;;;!! ;;
-;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar.
-;;;!! ;;
-;;;!!
-;;;!! (defvar scrolled-lines 0)
-;;;!! (defconst scroll-speed 1)
-;;;!!
-;;;!! (defun incr-scroll-down (event)
-;;;!! (interactive "@e")
-;;;!! (setq scrolled-lines 0)
-;;;!! (incremental-scroll scroll-speed))
-;;;!!
-;;;!! (defun incr-scroll-up (event)
-;;;!! (interactive "@e")
-;;;!! (setq scrolled-lines 0)
-;;;!! (incremental-scroll (- scroll-speed)))
-;;;!!
-;;;!! (defun incremental-scroll (n)
-;;;!! (while (= (x-mouse-events) 0)
-;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
-;;;!! (scroll-down n)
-;;;!! (sit-for 300 t)))
-;;;!!
-;;;!! (defun incr-scroll-stop (event)
-;;;!! (interactive "@e")
-;;;!! (message "Scrolled %d lines" scrolled-lines)
-;;;!! (setq scrolled-lines 0)
-;;;!! (sleep-for 1))
-;;;!!
-;;;!! ;;; (defun x-testing-scroll ()
-;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
-;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
-;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
-;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
-;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
-;;;!!
-;;;!! ;;
-;;;!! ;; Some playthings suitable for picture mode? They need work.
-;;;!! ;;
-;;;!!
-;;;!! (defun mouse-kill-rectangle (event)
-;;;!! "Kill the rectangle between point and the mouse cursor."
-;;;!! (interactive "@e")
-;;;!! (let ((point-save (point)))
-;;;!! (save-excursion
-;;;!! (mouse-set-point event)
-;;;!! (push-mark nil t)
-;;;!! (if (> point-save (point))
-;;;!! (kill-rectangle (point) point-save)
-;;;!! (kill-rectangle point-save (point))))))
-;;;!!
-;;;!! (defun mouse-open-rectangle (event)
-;;;!! "Kill the rectangle between point and the mouse cursor."
-;;;!! (interactive "@e")
-;;;!! (let ((point-save (point)))
-;;;!! (save-excursion
-;;;!! (mouse-set-point event)
-;;;!! (push-mark nil t)
-;;;!! (if (> point-save (point))
-;;;!! (open-rectangle (point) point-save)
-;;;!! (open-rectangle point-save (point))))))
-;;;!!
-;;;!! ;; Must be a better way to do this.
-;;;!!
-;;;!! (defun mouse-multiple-insert (n char)
-;;;!! (while (> n 0)
-;;;!! (insert char)
-;;;!! (setq n (1- n))))
-;;;!!
-;;;!! ;; What this could do is not finalize until button was released.
-;;;!!
-;;;!! (defun mouse-move-text (event)
-;;;!! "Move text from point to cursor position, inserting spaces."
-;;;!! (interactive "@e")
-;;;!! (let* ((relative-coordinate
-;;;!! (coordinates-in-window-p (car event) (selected-window))))
-;;;!! (if (consp relative-coordinate)
-;;;!! (cond ((> (current-column) (car relative-coordinate))
-;;;!! (delete-char
-;;;!! (- (car relative-coordinate) (current-column))))
-;;;!! ((< (current-column) (car relative-coordinate))
-;;;!! (mouse-multiple-insert
-;;;!! (- (car relative-coordinate) (current-column)) " "))
-;;;!! ((= (current-column) (car relative-coordinate)) (ding))))))
+;;!! ;;;;
+;;!! ;;;; Here are experimental things being tested. Mouse events
+;;!! ;;;; are of the form:
+;;!! ;;;; ((x y) window screen-part key-sequence timestamp)
+;;!! ;;
+;;!! ;;;;
+;;!! ;;;; Dynamically track mouse coordinates
+;;!! ;;;;
+;;!! ;;
+;;!! ;;(defun track-mouse (event)
+;;!! ;; "Track the coordinates, absolute and relative, of the mouse."
+;;!! ;; (interactive "@e")
+;;!! ;; (while mouse-grabbed
+;;!! ;; (let* ((pos (read-mouse-position (selected-screen)))
+;;!! ;; (abs-x (car pos))
+;;!! ;; (abs-y (cdr pos))
+;;!! ;; (relative-coordinate (coordinates-in-window-p
+;;!! ;; (list (car pos) (cdr pos))
+;;!! ;; (selected-window))))
+;;!! ;; (if (consp relative-coordinate)
+;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
+;;!! ;; (car relative-coordinate)
+;;!! ;; (car (cdr relative-coordinate)))
+;;!! ;; (message "mouse: [%d %d]" abs-x abs-y)))))
+;;!!
+;;!! ;;
+;;!! ;; Dynamically put a box around the line indicated by point
+;;!! ;;
+;;!! ;;
+;;!! ;;(require 'backquote)
+;;!! ;;
+;;!! ;;(defun mouse-select-buffer-line (event)
+;;!! ;; (interactive "@e")
+;;!! ;; (let ((relative-coordinate
+;;!! ;; (coordinates-in-window-p (car event) (selected-window)))
+;;!! ;; (abs-y (car (cdr (car event)))))
+;;!! ;; (if (consp relative-coordinate)
+;;!! ;; (progn
+;;!! ;; (save-excursion
+;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
+;;!! ;; (x-draw-rectangle
+;;!! ;; (selected-screen)
+;;!! ;; abs-y 0
+;;!! ;; (save-excursion
+;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
+;;!! ;; (end-of-line)
+;;!! ;; (push-mark nil t)
+;;!! ;; (beginning-of-line)
+;;!! ;; (- (region-end) (region-beginning))) 1))
+;;!! ;; (sit-for 1)
+;;!! ;; (x-erase-rectangle (selected-screen))))))
+;;!! ;;
+;;!! ;;(defvar last-line-drawn nil)
+;;!! ;;(defvar begin-delim "[^ \t]")
+;;!! ;;(defvar end-delim "[^ \t]")
+;;!! ;;
+;;!! ;;(defun mouse-boxing (event)
+;;!! ;; (interactive "@e")
+;;!! ;; (save-excursion
+;;!! ;; (let ((screen (selected-screen)))
+;;!! ;; (while (= (x-mouse-events) 0)
+;;!! ;; (let* ((pos (read-mouse-position screen))
+;;!! ;; (abs-x (car pos))
+;;!! ;; (abs-y (cdr pos))
+;;!! ;; (relative-coordinate
+;;!! ;; (coordinates-in-window-p `(,abs-x ,abs-y)
+;;!! ;; (selected-window)))
+;;!! ;; (begin-reg nil)
+;;!! ;; (end-reg nil)
+;;!! ;; (end-column nil)
+;;!! ;; (begin-column nil))
+;;!! ;; (if (and (consp relative-coordinate)
+;;!! ;; (or (not last-line-drawn)
+;;!! ;; (not (= last-line-drawn abs-y))))
+;;!! ;; (progn
+;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
+;;!! ;; (if (= (following-char) 10)
+;;!! ;; ()
+;;!! ;; (progn
+;;!! ;; (setq begin-reg (1- (re-search-forward end-delim)))
+;;!! ;; (setq begin-column (1- (current-column)))
+;;!! ;; (end-of-line)
+;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim)))
+;;!! ;; (setq end-column (1+ (current-column)))
+;;!! ;; (message "%s" (buffer-substring begin-reg end-reg))
+;;!! ;; (x-draw-rectangle screen
+;;!! ;; (setq last-line-drawn abs-y)
+;;!! ;; begin-column
+;;!! ;; (- end-column begin-column) 1))))))))))
+;;!! ;;
+;;!! ;;(defun mouse-erase-box ()
+;;!! ;; (interactive)
+;;!! ;; (if last-line-drawn
+;;!! ;; (progn
+;;!! ;; (x-erase-rectangle (selected-screen))
+;;!! ;; (setq last-line-drawn nil))))
+;;!!
+;;!! ;;; (defun test-x-rectangle ()
+;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
+;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
+;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
+;;!!
+;;!! ;;
+;;!! ;; Here is how to do double clicking in lisp. About to change.
+;;!! ;;
+;;!!
+;;!! (defvar double-start nil)
+;;!! (defconst double-click-interval 300
+;;!! "Max ticks between clicks")
+;;!!
+;;!! (defun double-down (event)
+;;!! (interactive "@e")
+;;!! (if double-start
+;;!! (let ((interval (- (nth 4 event) double-start)))
+;;!! (if (< interval double-click-interval)
+;;!! (progn
+;;!! (backward-up-list 1)
+;;!! ;; (message "Interval %d" interval)
+;;!! (sleep-for 1)))
+;;!! (setq double-start nil))
+;;!! (setq double-start (nth 4 event))))
+;;!!
+;;!! (defun double-up (event)
+;;!! (interactive "@e")
+;;!! (and double-start
+;;!! (> (- (nth 4 event ) double-start) double-click-interval)
+;;!! (setq double-start nil)))
+;;!!
+;;!! ;;; (defun x-test-doubleclick ()
+;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
+;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
+;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
+;;!!
+;;!! ;;
+;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar.
+;;!! ;;
+;;!!
+;;!! (defvar scrolled-lines 0)
+;;!! (defconst scroll-speed 1)
+;;!!
+;;!! (defun incr-scroll-down (event)
+;;!! (interactive "@e")
+;;!! (setq scrolled-lines 0)
+;;!! (incremental-scroll scroll-speed))
+;;!!
+;;!! (defun incr-scroll-up (event)
+;;!! (interactive "@e")
+;;!! (setq scrolled-lines 0)
+;;!! (incremental-scroll (- scroll-speed)))
+;;!!
+;;!! (defun incremental-scroll (n)
+;;!! (while (= (x-mouse-events) 0)
+;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
+;;!! (scroll-down n)
+;;!! (sit-for 300 t)))
+;;!!
+;;!! (defun incr-scroll-stop (event)
+;;!! (interactive "@e")
+;;!! (message "Scrolled %d lines" scrolled-lines)
+;;!! (setq scrolled-lines 0)
+;;!! (sleep-for 1))
+;;!!
+;;!! ;;; (defun x-testing-scroll ()
+;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
+;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
+;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
+;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
+;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
+;;!!
+;;!! ;;
+;;!! ;; Some playthings suitable for picture mode? They need work.
+;;!! ;;
+;;!!
+;;!! (defun mouse-kill-rectangle (event)
+;;!! "Kill the rectangle between point and the mouse cursor."
+;;!! (interactive "@e")
+;;!! (let ((point-save (point)))
+;;!! (save-excursion
+;;!! (mouse-set-point event)
+;;!! (push-mark nil t)
+;;!! (if (> point-save (point))
+;;!! (kill-rectangle (point) point-save)
+;;!! (kill-rectangle point-save (point))))))
+;;!!
+;;!! (defun mouse-open-rectangle (event)
+;;!! "Kill the rectangle between point and the mouse cursor."
+;;!! (interactive "@e")
+;;!! (let ((point-save (point)))
+;;!! (save-excursion
+;;!! (mouse-set-point event)
+;;!! (push-mark nil t)
+;;!! (if (> point-save (point))
+;;!! (open-rectangle (point) point-save)
+;;!! (open-rectangle point-save (point))))))
+;;!!
+;;!! ;; Must be a better way to do this.
+;;!!
+;;!! (defun mouse-multiple-insert (n char)
+;;!! (while (> n 0)
+;;!! (insert char)
+;;!! (setq n (1- n))))
+;;!!
+;;!! ;; What this could do is not finalize until button was released.
+;;!!
+;;!! (defun mouse-move-text (event)
+;;!! "Move text from point to cursor position, inserting spaces."
+;;!! (interactive "@e")
+;;!! (let* ((relative-coordinate
+;;!! (coordinates-in-window-p (car event) (selected-window))))
+;;!! (if (consp relative-coordinate)
+;;!! (cond ((> (current-column) (car relative-coordinate))
+;;!! (delete-char
+;;!! (- (car relative-coordinate) (current-column))))
+;;!! ((< (current-column) (car relative-coordinate))
+;;!! (mouse-multiple-insert
+;;!! (- (car relative-coordinate) (current-column)) " "))
+;;!! ((= (current-column) (car relative-coordinate)) (ding))))))