LCOV - code coverage report
Current view: top level - lisp - scroll-bar.el (source / functions) Hit Total Coverage
Test: tramp-tests.info Lines: 0 268 0.0 %
Date: 2017-08-27 09:44:50 Functions: 0 22 0.0 %

          Line data    Source code
       1             : ;;; scroll-bar.el --- window system-independent scroll bar support
       2             : 
       3             : ;; Copyright (C) 1993-1995, 1999-2017 Free Software Foundation, Inc.
       4             : 
       5             : ;; Maintainer: emacs-devel@gnu.org
       6             : ;; Keywords: hardware
       7             : ;; Package: emacs
       8             : 
       9             : ;; This file is part of GNU Emacs.
      10             : 
      11             : ;; GNU Emacs is free software: you can redistribute it and/or modify
      12             : ;; it under the terms of the GNU General Public License as published by
      13             : ;; the Free Software Foundation, either version 3 of the License, or
      14             : ;; (at your option) any later version.
      15             : 
      16             : ;; GNU Emacs is distributed in the hope that it will be useful,
      17             : ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
      18             : ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19             : ;; GNU General Public License for more details.
      20             : 
      21             : ;; You should have received a copy of the GNU General Public License
      22             : ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
      23             : 
      24             : ;;; Commentary:
      25             : 
      26             : ;; Window-system-independent bindings of mouse clicks on the scroll bar.
      27             : ;; Presently emulates the scroll-bar behavior of xterm.
      28             : 
      29             : ;;; Code:
      30             : 
      31             : (require 'mouse)
      32             : (eval-when-compile (require 'cl-lib))
      33             : 
      34             : 
      35             : ;;;; Utilities.
      36             : 
      37             : (defun scroll-bar-event-ratio (event)
      38             :   "Given a scroll bar event EVENT, return the scroll bar position as a ratio.
      39             : The value is a cons cell (PORTION . WHOLE) containing two integers
      40             : whose ratio gives the event's vertical position in the scroll bar, with 0
      41             : referring to the top and 1 to the bottom."
      42           0 :   (nth 2 event))
      43             : 
      44             : (defun scroll-bar-scale (num-denom whole)
      45             :   "Given a pair (NUM . DENOM) and WHOLE, return (/ (* NUM WHOLE) DENOM).
      46             : This is handy for scaling a position on a scroll bar into real units,
      47             : like buffer positions.  If SCROLL-BAR-POS is the (PORTION . WHOLE) pair
      48             : from a scroll bar event, then (scroll-bar-scale SCROLL-BAR-POS
      49             : \(buffer-size)) is the position in the current buffer corresponding to
      50             : that scroll bar position."
      51             :   ;; We multiply before we divide to maintain precision.
      52             :   ;; We use floating point because the product of a large buffer size
      53             :   ;; with a large scroll bar portion can easily overflow a lisp int.
      54           0 :   (truncate (/ (* (float (car num-denom)) whole) (cdr num-denom))))
      55             : 
      56             : (defun scroll-bar-columns (side)
      57             :   "Return the width, measured in columns, of the vertical scrollbar on SIDE.
      58             : SIDE must be the symbol `left' or `right'."
      59           0 :   (let* ((wsb   (window-scroll-bars))
      60           0 :          (vtype (nth 2 wsb))
      61           0 :          (cols  (nth 1 wsb)))
      62           0 :     (cond
      63           0 :      ((not (memq side '(left right)))
      64           0 :       (error "`left' or `right' expected instead of %S" side))
      65           0 :      ((and (eq vtype side) cols))
      66           0 :      ((eq (frame-parameter nil 'vertical-scroll-bars) side)
      67             :       ;; nil means it's a non-toolkit scroll bar, and its width in
      68             :       ;; columns is 14 pixels rounded up.
      69           0 :       (ceiling (or (frame-parameter nil 'scroll-bar-width) 14)
      70           0 :                (frame-char-width)))
      71           0 :      (0))))
      72             : 
      73             : (defun scroll-bar-lines ()
      74             :   "Return the height, measured in lines, of the horizontal scrollbar."
      75           0 :   (let* ((wsb   (window-scroll-bars))
      76           0 :          (htype (nth 5 wsb))
      77           0 :          (lines  (nth 4 wsb)))
      78           0 :     (cond
      79           0 :      (htype lines)
      80           0 :      ((frame-parameter nil 'horizontal-scroll-bars)
      81             :       ;; nil means it's a non-toolkit scroll bar (which is currently
      82             :       ;; impossible), and its height in lines is 14 pixels rounded up.
      83           0 :       (ceiling (or (frame-parameter nil 'scroll-bar-height) 14)
      84           0 :                (frame-char-width)))
      85           0 :      (0))))
      86             : 
      87             : 
      88             : ;;;; Helpful functions for enabling and disabling scroll bars.
      89             : 
      90             : (defvar scroll-bar-mode)
      91             : (defvar horizontal-scroll-bar-mode)
      92             : (defvar previous-scroll-bar-mode nil)
      93             : 
      94             : (defvar scroll-bar-mode-explicit nil
      95             :   "Non-nil means `set-scroll-bar-mode' should really do something.
      96             : This is nil while loading `scroll-bar.el', and t afterward.")
      97             : 
      98             : (defun set-scroll-bar-mode (value)
      99             :   "Set the scroll bar mode to VALUE and put the new value into effect.
     100             : See the `scroll-bar-mode' variable for possible values to use."
     101           0 :   (if scroll-bar-mode
     102           0 :       (setq previous-scroll-bar-mode scroll-bar-mode))
     103             : 
     104           0 :   (setq scroll-bar-mode value)
     105             : 
     106           0 :   (when scroll-bar-mode-explicit
     107           0 :     (modify-all-frames-parameters (list (cons 'vertical-scroll-bars
     108           0 :                                               scroll-bar-mode)))))
     109             : 
     110             : (defcustom scroll-bar-mode default-frame-scroll-bars
     111             :   "Specify whether to have vertical scroll bars, and on which side.
     112             : Possible values are nil (no scroll bars), `left' (scroll bars on left)
     113             : and `right' (scroll bars on right).
     114             : To set this variable in a Lisp program, use `set-scroll-bar-mode'
     115             : to make it take real effect.
     116             : Setting the variable with a customization buffer also takes effect."
     117             :   :type '(choice (const :tag "none (nil)" nil)
     118             :                  (const left)
     119             :                  (const right))
     120             :   :group 'frames
     121             :   ;; The default value for :initialize would try to use :set
     122             :   ;; when processing the file in cus-dep.el.
     123             :   :initialize 'custom-initialize-default
     124             :   :set (lambda (_sym val) (set-scroll-bar-mode val)))
     125             : 
     126             : ;; We just set scroll-bar-mode, but that was the default.
     127             : ;; If it is set again, that is for real.
     128             : (setq scroll-bar-mode-explicit t)
     129             : 
     130             : (defun get-scroll-bar-mode ()
     131             :   (declare (gv-setter set-scroll-bar-mode))
     132           0 :   scroll-bar-mode)
     133             : 
     134             : (define-minor-mode scroll-bar-mode
     135             :   "Toggle vertical scroll bars on all frames (Scroll Bar mode).
     136             : With a prefix argument ARG, enable Scroll Bar mode if ARG is
     137             : positive, and disable it otherwise.  If called from Lisp, enable
     138             : the mode if ARG is omitted or nil.
     139             : 
     140             : This command applies to all frames that exist and frames to be
     141             : created in the future."
     142             :   :variable ((get-scroll-bar-mode)
     143             :              . (lambda (v) (set-scroll-bar-mode
     144             :                             (if v (or previous-scroll-bar-mode
     145             :                                       default-frame-scroll-bars))))))
     146             : 
     147             : (defun horizontal-scroll-bars-available-p ()
     148             :   "Return non-nil when horizontal scroll bars are available on this system."
     149           0 :   (and (display-graphic-p)
     150           0 :        (boundp 'x-toolkit-scroll-bars)
     151           0 :        x-toolkit-scroll-bars))
     152             : 
     153             : (define-minor-mode horizontal-scroll-bar-mode
     154             :   "Toggle horizontal scroll bars on all frames (Horizontal Scroll Bar mode).
     155             : With a prefix argument ARG, enable Horizontal Scroll Bar mode if
     156             : ARG is positive, and disable it otherwise.  If called from Lisp,
     157             : enable the mode if ARG is omitted or nil.
     158             : 
     159             : This command applies to all frames that exist and frames to be
     160             : created in the future."
     161             :   :init-value nil
     162             :   :global t
     163             :   :group 'frames
     164           0 :   (if (and horizontal-scroll-bar-mode
     165           0 :            (not (horizontal-scroll-bars-available-p)))
     166           0 :       (progn
     167           0 :         (setq horizontal-scroll-bar-mode nil)
     168           0 :         (message "Horizontal scroll bars are not implemented on this system"))
     169           0 :     (dolist (frame (frame-list))
     170           0 :       (set-frame-parameter
     171           0 :        frame 'horizontal-scroll-bars horizontal-scroll-bar-mode))
     172             :     ;; Handle `default-frame-alist' entry.
     173           0 :     (setq default-frame-alist
     174           0 :           (cons (cons 'horizontal-scroll-bars horizontal-scroll-bar-mode)
     175           0 :                 (assq-delete-all 'horizontal-scroll-bars
     176           0 :                                  default-frame-alist)))))
     177             : 
     178             : (defun toggle-scroll-bar (arg)
     179             :   "Toggle whether or not the selected frame has vertical scroll bars.
     180             : With ARG, turn vertical scroll bars on if and only if ARG is positive.
     181             : The variable `scroll-bar-mode' controls which side the scroll bars are on
     182             : when they are turned on; if it is nil, they go on the left."
     183             :   (interactive "P")
     184           0 :   (if (null arg)
     185           0 :       (setq arg
     186           0 :             (if (frame-parameter nil 'vertical-scroll-bars) -1 1))
     187           0 :     (setq arg (prefix-numeric-value arg)))
     188           0 :   (modify-frame-parameters
     189           0 :    (selected-frame)
     190           0 :    (list (cons 'vertical-scroll-bars
     191           0 :                (if (> arg 0)
     192           0 :                    (or scroll-bar-mode default-frame-scroll-bars))))))
     193             : 
     194             : (defun toggle-horizontal-scroll-bar (arg)
     195             :   "Toggle whether or not the selected frame has horizontal scroll bars.
     196             : With ARG, turn vertical scroll bars on if and only if ARG is positive."
     197             :   (interactive "P")
     198           0 :   (if (null arg)
     199           0 :       (setq arg
     200           0 :             (if (frame-parameter nil 'horizontal-scroll-bars) -1 1))
     201           0 :     (setq arg (prefix-numeric-value arg)))
     202           0 :   (modify-frame-parameters
     203           0 :    (selected-frame)
     204           0 :    (list (cons 'horizontal-scroll-bars
     205           0 :                (when (> arg 0) 'bottom)))))
     206             : 
     207             : ;;;; Buffer navigation using the scroll bar.
     208             : 
     209             : ;; This was used for up-events on button 2, but no longer.
     210             : (defun scroll-bar-set-window-start (event)
     211             :   "Set the window start according to where the scroll bar is dragged.
     212             : EVENT should be a scroll bar click or drag event."
     213             :   (interactive "e")
     214           0 :   (let* ((end-position (event-end event))
     215           0 :          (window (nth 0 end-position))
     216           0 :          (portion-whole (nth 2 end-position)))
     217           0 :     (with-current-buffer (window-buffer window)
     218           0 :       (save-excursion
     219           0 :         (goto-char (+ (point-min)
     220           0 :                       (scroll-bar-scale portion-whole
     221           0 :                                         (- (point-max) (point-min)))))
     222           0 :         (beginning-of-line)
     223           0 :         (set-window-start window (point))))))
     224             : 
     225             : (defun scroll-bar-drag-position (portion-whole)
     226             :   "Calculate new window start for drag event."
     227           0 :   (save-excursion
     228           0 :     (goto-char (+ (point-min)
     229           0 :                   (scroll-bar-scale portion-whole
     230           0 :                                     (- (point-max) (point-min)))))
     231           0 :     (beginning-of-line)
     232           0 :     (point)))
     233             : 
     234             : (defun scroll-bar-maybe-set-window-start (event)
     235             :   "Set the window start according to where the scroll bar is dragged.
     236             : Only change window start if the new start is substantially different.
     237             : EVENT should be a scroll bar click or drag event."
     238             :   (interactive "e")
     239           0 :   (let* ((end-position (event-end event))
     240           0 :          (window (nth 0 end-position))
     241           0 :          (portion-whole (nth 2 end-position))
     242           0 :          (next-portion-whole (cons (1+ (car portion-whole))
     243           0 :                                    (cdr portion-whole)))
     244             :          portion-start
     245             :          next-portion-start
     246           0 :          (current-start (window-start window)))
     247           0 :     (with-current-buffer (window-buffer window)
     248           0 :       (setq portion-start (scroll-bar-drag-position portion-whole))
     249           0 :       (setq next-portion-start (max
     250           0 :                                 (scroll-bar-drag-position next-portion-whole)
     251           0 :                                 (1+ portion-start)))
     252           0 :       (if (or (>= current-start next-portion-start)
     253           0 :               (< current-start portion-start))
     254           0 :           (set-window-start window portion-start)
     255             :         ;; Always set window start, to ensure scroll bar position is updated.
     256           0 :         (set-window-start window current-start)))))
     257             : 
     258             : ;; Scroll the window to the proper position for EVENT.
     259             : (defun scroll-bar-drag-1 (event)
     260           0 :   (let* ((start-position (event-start event))
     261           0 :          (window (nth 0 start-position))
     262           0 :          (portion-whole (nth 2 start-position)))
     263           0 :     (save-excursion
     264           0 :       (with-current-buffer (window-buffer window)
     265             :         ;; Calculate position relative to the accessible part of the buffer.
     266           0 :         (goto-char (+ (point-min)
     267           0 :                       (scroll-bar-scale portion-whole
     268           0 :                                         (- (point-max) (point-min)))))
     269           0 :         (vertical-motion 0 window)
     270           0 :         (set-window-start window (point))))))
     271             : 
     272             : (defun scroll-bar-drag (event)
     273             :   "Scroll the window by dragging the scroll bar slider.
     274             : If you click outside the slider, the window scrolls to bring the slider there."
     275             :   (interactive "e")
     276           0 :   (let* (done
     277             :          (echo-keystrokes 0)
     278           0 :          (end-position (event-end event))
     279           0 :          (window (nth 0 end-position))
     280             :          (before-scroll))
     281           0 :     (with-current-buffer (window-buffer window)
     282           0 :       (setq before-scroll point-before-scroll))
     283           0 :     (save-selected-window
     284           0 :       (select-window window 'mark-for-redisplay)
     285           0 :       (setq before-scroll
     286           0 :             (or before-scroll (point))))
     287           0 :     (scroll-bar-drag-1 event)
     288           0 :     (track-mouse
     289           0 :       (while (not done)
     290           0 :         (setq event (read-event))
     291           0 :         (if (eq (car-safe event) 'mouse-movement)
     292           0 :             (setq event (read-event)))
     293           0 :         (cond ((eq (car-safe event) 'scroll-bar-movement)
     294           0 :                (scroll-bar-drag-1 event))
     295             :               (t
     296             :                ;; Exit when we get the drag event; ignore that event.
     297           0 :                (setq done t)))))
     298           0 :     (sit-for 0)
     299           0 :     (with-current-buffer (window-buffer window)
     300           0 :       (setq point-before-scroll before-scroll))))
     301             : 
     302             : ;; Scroll the window to the proper position for EVENT.
     303             : (defun scroll-bar-horizontal-drag-1 (event)
     304           0 :   (let* ((start-position (event-start event))
     305           0 :          (window (nth 0 start-position))
     306           0 :          (portion-whole (nth 2 start-position))
     307           0 :          (unit (frame-char-width (window-frame window))))
     308           0 :     (if (eq (current-bidi-paragraph-direction (window-buffer window))
     309           0 :             'left-to-right)
     310           0 :         (set-window-hscroll
     311           0 :          window (/ (+ (car portion-whole) (1- unit)) unit))
     312           0 :       (set-window-hscroll
     313           0 :        window (/ (+ (- (cdr portion-whole) (car portion-whole))
     314           0 :                     (1- unit))
     315           0 :                  unit)))))
     316             : 
     317             : (defun scroll-bar-horizontal-drag (event)
     318             :   "Scroll the window horizontally by dragging the scroll bar slider.
     319             : If you click outside the slider, the window scrolls to bring the slider there."
     320             :   (interactive "e")
     321           0 :   (let* (done
     322             :          (echo-keystrokes 0)
     323           0 :          (end-position (event-end event))
     324           0 :          (window (nth 0 end-position))
     325             :          (before-scroll))
     326           0 :     (with-current-buffer (window-buffer window)
     327           0 :       (setq before-scroll point-before-scroll))
     328           0 :     (save-selected-window
     329           0 :       (select-window window 'mark-for-redisplay)
     330           0 :       (setq before-scroll
     331           0 :             (or before-scroll (point))))
     332           0 :     (scroll-bar-horizontal-drag-1 event)
     333           0 :     (track-mouse
     334           0 :       (while (not done)
     335           0 :         (setq event (read-event))
     336           0 :         (if (eq (car-safe event) 'mouse-movement)
     337           0 :             (setq event (read-event)))
     338           0 :         (cond ((eq (car-safe event) 'scroll-bar-movement)
     339           0 :                (scroll-bar-horizontal-drag-1 event))
     340             :               (t
     341             :                ;; Exit when we get the drag event; ignore that event.
     342           0 :                (setq done t)))))
     343           0 :     (sit-for 0)
     344           0 :     (with-current-buffer (window-buffer window)
     345           0 :       (setq point-before-scroll before-scroll))))
     346             : 
     347             : (defun scroll-bar-scroll-down (event)
     348             :   "Scroll the window's top line down to the location of the scroll bar click.
     349             : EVENT should be a scroll bar click."
     350             :   (interactive "e")
     351           0 :   (let* ((end-position (event-end event))
     352           0 :          (window (nth 0 end-position))
     353             :          (before-scroll))
     354           0 :     (with-current-buffer (window-buffer window)
     355           0 :       (setq before-scroll point-before-scroll))
     356           0 :     (unwind-protect
     357           0 :         (save-selected-window
     358           0 :           (let ((portion-whole (nth 2 end-position)))
     359           0 :             (select-window window 'mark-for-redisplay)
     360           0 :             (setq before-scroll
     361           0 :                   (or before-scroll (point)))
     362           0 :             (scroll-down
     363           0 :              (scroll-bar-scale portion-whole (1- (window-height)))))
     364           0 :           (sit-for 0))
     365           0 :       (with-current-buffer (window-buffer window)
     366           0 :         (setq point-before-scroll before-scroll)))))
     367             : 
     368             : (defun scroll-bar-scroll-up (event)
     369             :   "Scroll the line next to the scroll bar click to the top of the window.
     370             : EVENT should be a scroll bar click."
     371             :   (interactive "e")
     372           0 :   (let* ((end-position (event-end event))
     373           0 :          (window (nth 0 end-position))
     374             :          (before-scroll))
     375           0 :     (with-current-buffer (window-buffer window)
     376           0 :       (setq before-scroll point-before-scroll))
     377           0 :     (unwind-protect
     378           0 :         (save-selected-window
     379           0 :           (let ((portion-whole (nth 2 end-position)))
     380           0 :             (select-window window 'mark-for-redisplay)
     381           0 :             (setq before-scroll
     382           0 :                   (or before-scroll (point)))
     383           0 :             (scroll-up
     384           0 :              (scroll-bar-scale portion-whole (1- (window-height)))))
     385           0 :           (sit-for 0))
     386           0 :       (with-current-buffer (window-buffer window)
     387           0 :         (setq point-before-scroll before-scroll)))))
     388             : 
     389             : 
     390             : ;;; Tookit scroll bars.
     391             : 
     392             : (defun scroll-bar-toolkit-scroll (event)
     393             :   "Handle event EVENT on vertical scroll bar."
     394             :   (interactive "e")
     395           0 :   (let* ((end-position (event-end event))
     396           0 :          (window (nth 0 end-position))
     397           0 :          (part (nth 4 end-position))
     398             :          before-scroll)
     399           0 :     (cond
     400           0 :      ((eq part 'end-scroll))
     401             :      (t
     402           0 :       (with-current-buffer (window-buffer window)
     403           0 :         (setq before-scroll point-before-scroll))
     404           0 :       (save-selected-window
     405           0 :         (select-window window 'mark-for-redisplay)
     406           0 :         (setq before-scroll (or before-scroll (point)))
     407           0 :         (cond
     408           0 :          ((eq part 'above-handle)
     409           0 :           (scroll-up '-))
     410           0 :          ((eq part 'below-handle)
     411           0 :           (scroll-up nil))
     412           0 :          ((eq part 'ratio)
     413           0 :           (let* ((portion-whole (nth 2 end-position))
     414           0 :                  (lines (scroll-bar-scale portion-whole
     415           0 :                                           (1- (window-height)))))
     416           0 :             (scroll-up (cond ((not (zerop lines)) lines)
     417           0 :                              ((< (car portion-whole) 0) -1)
     418           0 :                              (t 1)))))
     419           0 :          ((eq part 'up)
     420           0 :           (scroll-up -1))
     421           0 :          ((eq part 'down)
     422           0 :           (scroll-up 1))
     423           0 :          ((eq part 'top)
     424           0 :           (set-window-start window (point-min)))
     425           0 :          ((eq part 'bottom)
     426           0 :           (goto-char (point-max))
     427           0 :           (recenter))
     428           0 :          ((eq part 'handle)
     429           0 :           (scroll-bar-drag-1 event))))
     430           0 :       (sit-for 0)
     431           0 :       (with-current-buffer (window-buffer window)
     432           0 :         (setq point-before-scroll before-scroll))))))
     433             : 
     434             : (defun scroll-bar-toolkit-horizontal-scroll (event)
     435             :   "Handle event EVENT on horizontal scroll bar."
     436             :   (interactive "e")
     437           0 :   (let* ((end-position (event-end event))
     438           0 :          (window (nth 0 end-position))
     439           0 :          (part (nth 4 end-position))
     440             :          (bidi-factor
     441           0 :           (if (eq (current-bidi-paragraph-direction (window-buffer window))
     442           0 :                   'left-to-right)
     443             :               1
     444           0 :             -1))
     445             :          before-scroll)
     446           0 :     (cond
     447           0 :      ((eq part 'end-scroll))
     448             :      (t
     449           0 :       (with-current-buffer (window-buffer window)
     450           0 :         (setq before-scroll point-before-scroll))
     451           0 :       (save-selected-window
     452           0 :         (select-window window 'mark-for-redisplay)
     453           0 :         (setq before-scroll (or before-scroll (point)))
     454           0 :         (cond
     455           0 :          ((eq part 'before-handle)
     456           0 :           (scroll-right (* bidi-factor 4)))
     457           0 :          ((eq part 'after-handle)
     458           0 :           (scroll-left (* bidi-factor 4)))
     459           0 :          ((eq part 'ratio)
     460           0 :           (let* ((portion-whole (nth 2 end-position))
     461           0 :                  (columns (scroll-bar-scale portion-whole
     462           0 :                                             (1- (window-width)))))
     463           0 :             (scroll-right
     464           0 :              (* (cond
     465           0 :                  ((not (zerop columns))
     466           0 :                   columns)
     467           0 :                  ((< (car portion-whole) 0) -1)
     468           0 :                  (t 1))
     469           0 :                 bidi-factor))))
     470           0 :          ((eq part 'left)
     471           0 :           (scroll-right (* bidi-factor 1)))
     472           0 :          ((eq part 'right)
     473           0 :           (scroll-left (* bidi-factor 1)))
     474           0 :          ((eq part 'leftmost)
     475           0 :           (goto-char (if (eq bidi-factor 1)
     476           0 :                          (line-beginning-position)
     477           0 :                        (line-end-position))))
     478           0 :          ((eq part 'rightmost)
     479           0 :           (goto-char (if (eq bidi-factor 1)
     480           0 :                          (line-end-position)
     481           0 :                        (line-beginning-position))))
     482           0 :          ((eq part 'horizontal-handle)
     483           0 :           (scroll-bar-horizontal-drag-1 event))))
     484           0 :       (sit-for 0)
     485           0 :       (with-current-buffer (window-buffer window)
     486           0 :         (setq point-before-scroll before-scroll))))))
     487             : 
     488             : ;;;; Bindings.
     489             : 
     490             : ;; For now, we'll set things up to work like xterm.
     491             : (cond ((and (boundp 'x-toolkit-scroll-bars) x-toolkit-scroll-bars)
     492             :        (global-set-key [vertical-scroll-bar mouse-1]
     493             :                        'scroll-bar-toolkit-scroll)
     494             :        (global-set-key [horizontal-scroll-bar mouse-1]
     495             :                        'scroll-bar-toolkit-horizontal-scroll))
     496             :       (t
     497             :        (global-set-key [vertical-scroll-bar mouse-1]
     498             :                        'scroll-bar-scroll-up)
     499             :        (global-set-key [vertical-scroll-bar drag-mouse-1]
     500             :                        'scroll-bar-scroll-up)
     501             :        (global-set-key [vertical-scroll-bar down-mouse-2]
     502             :                        'scroll-bar-drag)
     503             :        (global-set-key [vertical-scroll-bar mouse-3]
     504             :                        'scroll-bar-scroll-down)
     505             :        (global-set-key [vertical-scroll-bar drag-mouse-3]
     506             :                        'scroll-bar-scroll-down)))
     507             : 
     508             : 
     509             : (provide 'scroll-bar)
     510             : 
     511             : ;;; scroll-bar.el ends here

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