1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
;;; sup-mouse.el --- supdup mouse support for lisp machines
;; Copyright (C) Free Software Foundation 1985, 1986
;; Author: Wolfgang Rupprecht
;; Maintainer: FSF
;; Created: 21 Nov 1986
;; Keywords: hardware
;; (from code originally written by John Robinson@bbn for the bitgraph)
;; 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.
;;; Commentary:
;;; Code:
;;; User customization option:
(defvar sup-mouse-fast-select-window nil
"*Non-nil for mouse hits to select new window, then execute; else just select.")
(defconst mouse-left 0)
(defconst mouse-center 1)
(defconst mouse-right 2)
(defconst mouse-2left 4)
(defconst mouse-2center 5)
(defconst mouse-2right 6)
(defconst mouse-3left 8)
(defconst mouse-3center 9)
(defconst mouse-3right 10)
;;; Defuns:
(defun sup-mouse-report ()
"This function is called directly by the mouse, it parses and
executes the mouse commands.
L move point * |---- These apply for mouse click in a window.
2L delete word |
3L copy word | If sup-mouse-fast-select-window is nil,
C move point and yank * | just selects that window.
2C yank pop |
R set mark * |
2R delete region |
3R copy region |
on modeline on \"scroll bar\" in minibuffer
L scroll-up line to top execute-extended-command
C proportional goto-char line to middle mouse-help
R scroll-down line to bottom eval-expression"
(interactive)
(let*
;; expect a string of <esc>:<buttons>;<x-pos>;<y-pos>c
((buttons (sup-get-tty-num ?\;))
(x (sup-get-tty-num ?\;))
(y (sup-get-tty-num ?c))
(window (sup-pos-to-window x y))
(edges (window-edges window))
(old-window (selected-window))
(in-minibuf-p (eq y (1- (frame-height))))
(same-window-p (and (not in-minibuf-p) (eq window old-window)))
(in-modeline-p (eq y (1- (nth 3 edges))))
(in-scrollbar-p (>= x (1- (nth 2 edges)))))
(setq x (- x (nth 0 edges)))
(setq y (- y (nth 1 edges)))
; (error "mouse-hit %d %d %d" buttons x y) ;;;; debug
(cond (in-modeline-p
(select-window window)
(cond ((= buttons mouse-left)
(scroll-up))
((= buttons mouse-right)
(scroll-down))
((= buttons mouse-center)
(goto-char (/ (* x
(- (point-max) (point-min)))
(1- (window-width))))
(beginning-of-line)
(what-cursor-position)))
(select-window old-window))
(in-scrollbar-p
(select-window window)
(scroll-up
(cond ((= buttons mouse-left)
y)
((= buttons mouse-right)
(+ y (- 2 (window-height))))
((= buttons mouse-center)
(/ (+ 2 y y (- (window-height))) 2))
(t
0)))
(select-window old-window))
(same-window-p
(cond ((= buttons mouse-left)
(sup-move-point-to-x-y x y))
((= buttons mouse-2left)
(sup-move-point-to-x-y x y)
(kill-word 1))
((= buttons mouse-3left)
(sup-move-point-to-x-y x y)
(save-excursion
(copy-region-as-kill
(point) (progn (forward-word 1) (point))))
(setq this-command 'yank)
)
((= buttons mouse-right)
(push-mark)
(sup-move-point-to-x-y x y)
(exchange-point-and-mark))
((= buttons mouse-2right)
(push-mark)
(sup-move-point-to-x-y x y)
(kill-region (mark) (point)))
((= buttons mouse-3right)
(push-mark)
(sup-move-point-to-x-y x y)
(copy-region-as-kill (mark) (point))
(setq this-command 'yank))
((= buttons mouse-center)
(sup-move-point-to-x-y x y)
(setq this-command 'yank)
(yank))
((= buttons mouse-2center)
(yank-pop 1))
)
)
(in-minibuf-p
(cond ((= buttons mouse-right)
(call-interactively 'eval-expression))
((= buttons mouse-left)
(call-interactively 'execute-extended-command))
((= buttons mouse-center)
(describe-function 'sup-mouse-report)); silly self help
))
(t ;in another window
(select-window window)
(cond ((not sup-mouse-fast-select-window))
((= buttons mouse-left)
(sup-move-point-to-x-y x y))
((= buttons mouse-right)
(push-mark)
(sup-move-point-to-x-y x y)
(exchange-point-and-mark))
((= buttons mouse-center)
(sup-move-point-to-x-y x y)
(setq this-command 'yank)
(yank))
))
)))
(defun sup-get-tty-num (term-char)
"Read from terminal until TERM-CHAR is read, and return intervening number.
Upon non-numeric not matching TERM-CHAR signal an error."
(let
((num 0)
(char (read-char)))
(while (and (>= char ?0)
(<= char ?9))
(setq num (+ (* num 10) (- char ?0)))
(setq char (read-char)))
(or (eq term-char char)
(error "Invalid data format in mouse command"))
num))
(defun sup-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)
(move-to-column x)
)
(defun sup-pos-to-window (x y)
"Find window corresponding to frame coordinates.
X and Y are 0-based character positions on the frame."
(get-window-with-predicate (lambda (w)
(coordinates-in-window-p (cons x y) w))))
;;; sup-mouse.el ends here
|
