|
209
|
1 ;;; scrollbar.el --- Scrollbar support for XEmacs
|
|
|
2
|
|
|
3 ;; Copyright (C) 1995, 1997 Free Software Foundation, Inc.
|
|
|
4
|
|
|
5 ;; Maintainer: XEmacs Development Team
|
|
|
6 ;; Keywords: internal, extensions, dumped
|
|
|
7
|
|
|
8 ;; This file is part of XEmacs.
|
|
|
9
|
|
|
10 ;; XEmacs is free software; you can redistribute it and/or modify it
|
|
|
11 ;; under the terms of the GNU General Public License as published by
|
|
|
12 ;; the Free Software Foundation; either version 2, or (at your option)
|
|
|
13 ;; any later version.
|
|
|
14
|
|
|
15 ;; XEmacs is distributed in the hope that it will be useful, but
|
|
|
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
18 ;; General Public License for more details.
|
|
|
19
|
|
|
20 ;; You should have received a copy of the GNU General Public License
|
|
|
21 ;; along with XEmacs; see the file COPYING. If not, write to the
|
|
|
22 ;; Free Software Foundation, 59 Temple Place - Suite 330,
|
|
|
23 ;; Boston, MA 02111-1307, USA.
|
|
|
24
|
|
|
25 ;;; Synched up with: Not in FSF. (Completely divergent from FSF scroll-bar.el)
|
|
|
26
|
|
|
27 ;;; Commentary:
|
|
|
28
|
|
|
29 ;; This file is dumped with XEmacs (when scrollbar support is compiled in).
|
|
|
30
|
|
|
31 ;;; Code:
|
|
|
32
|
|
|
33 (defun init-scrollbar-from-resources (locale)
|
|
|
34 (when (and (featurep 'x)
|
|
|
35 (or (eq locale 'global)
|
|
|
36 (eq 'x (device-or-frame-type locale))))
|
|
276
|
37 (x-init-scrollbar-from-resources locale))
|
|
|
38 (when (and (featurep 'mswindows)
|
|
|
39 (or (eq locale 'global)
|
|
|
40 (eq 'mswindows (device-or-frame-type locale))))
|
|
|
41 (mswindows-init-scrollbar-metrics locale)))
|
|
209
|
42
|
|
|
43 ;;
|
|
|
44 ;; vertical scrollbar functions
|
|
|
45 ;;
|
|
|
46
|
|
|
47 ;;; ### Move functions from C into Lisp here!
|
|
|
48
|
|
|
49 ;;
|
|
|
50 ;; horizontal scrollbar functions
|
|
|
51 ;;
|
|
|
52
|
|
|
53 (defun scrollbar-char-left (window)
|
|
|
54 "Function called when the char-left arrow on the scrollbar is clicked.
|
|
|
55 This is the little arrow to the left of the scrollbar. One argument is
|
|
|
56 passed, the scrollbar's window. You can advise this function to
|
|
|
57 change the scrollbar behavior."
|
|
|
58 (when (window-live-p window)
|
|
|
59 (scrollbar-set-hscroll window (- (window-hscroll window) 1))
|
|
|
60 (setq zmacs-region-stays t)
|
|
|
61 nil))
|
|
|
62
|
|
|
63 (defun scrollbar-char-right (window)
|
|
|
64 "Function called when the char-right arrow on the scrollbar is clicked.
|
|
|
65 This is the little arrow to the right of the scrollbar. One argument is
|
|
|
66 passed, the scrollbar's window. You can advise this function to
|
|
|
67 change the scrollbar behavior."
|
|
|
68 (when (window-live-p window)
|
|
|
69 (scrollbar-set-hscroll window (+ (window-hscroll window) 1))
|
|
|
70 (setq zmacs-region-stays t)
|
|
|
71 nil))
|
|
|
72
|
|
|
73 (defun scrollbar-page-left (window)
|
|
|
74 "Function called when the user gives the \"page-left\" scrollbar action.
|
|
|
75 \(The way this is done can vary from scrollbar to scrollbar.\) One argument is
|
|
|
76 passed, the scrollbar's window. You can advise this function to
|
|
|
77 change the scrollbar behavior."
|
|
|
78 (when (window-live-p window)
|
|
|
79 (scrollbar-set-hscroll window (- (window-hscroll window)
|
|
|
80 (- (window-width window) 2)))
|
|
|
81 (setq zmacs-region-stays t)
|
|
|
82 nil))
|
|
|
83
|
|
|
84 (defun scrollbar-page-right (window)
|
|
|
85 "Function called when the user gives the \"page-right\" scrollbar action.
|
|
|
86 \(The way this is done can vary from scrollbar to scrollbar.\) One argument is
|
|
|
87 passed, the scrollbar's window. You can advise this function to
|
|
|
88 change the scrollbar behavior."
|
|
|
89 (when (window-live-p window)
|
|
|
90 (scrollbar-set-hscroll window (+ (window-hscroll window)
|
|
|
91 (- (window-width window) 2)))
|
|
|
92 (setq zmacs-region-stays t)
|
|
|
93 nil))
|
|
|
94
|
|
|
95 (defun scrollbar-to-left (window)
|
|
|
96 "Function called when the user gives the \"to-left\" scrollbar action.
|
|
|
97 \(The way this is done can vary from scrollbar to scrollbar.\). One argument is
|
|
|
98 passed, the scrollbar's window. You can advise this function to
|
|
|
99 change the scrollbar behavior."
|
|
|
100 (when (window-live-p window)
|
|
|
101 (scrollbar-set-hscroll window 0)
|
|
|
102 (setq zmacs-region-stays t)
|
|
|
103 nil))
|
|
|
104
|
|
|
105 (defun scrollbar-to-right (window)
|
|
|
106 "Function called when the user gives the \"to-right\" scrollbar action.
|
|
|
107 \(The way this is done can vary from scrollbar to scrollbar.\). One argument is
|
|
|
108 passed, the scrollbar's window. You can advise this function to
|
|
|
109 change the scrollbar behavior."
|
|
|
110 (when (window-live-p window)
|
|
|
111 (scrollbar-set-hscroll window 'max)
|
|
|
112 (setq zmacs-region-stays t)
|
|
|
113 nil))
|
|
|
114
|
|
|
115 (defun scrollbar-horizontal-drag (data)
|
|
|
116 "Function called when the user drags the horizontal scrollbar thumb.
|
|
|
117 One argument is passed, a cons containing the scrollbar's window and a value
|
|
|
118 representing how many columns the thumb is slid over. You can advise
|
|
|
119 this function to change the scrollbar behavior."
|
|
|
120 (let ((window (car data))
|
|
|
121 (value (cdr data)))
|
|
|
122 (when (and (window-live-p window) (integerp value))
|
|
|
123 (scrollbar-set-hscroll window value)
|
|
|
124 (setq zmacs-region-stays t)
|
|
|
125 nil)))
|
|
|
126
|
|
|
127 ;;; scrollbar.el ends here
|
