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1 | ;;; sup-mouse.el --- supdup mouse support for lisp machines |
2 | ||
58142744 ER |
3 | ;; Copyright (C) Free Software Foundation 1985, 1986 |
4 | ||
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5 | ;; Author: Wolfgang Rupprecht |
6 | ;; Maintainer: FSF | |
7 | ;; Created: 21 Nov 1986 | |
d7b4d18f | 8 | ;; Keywords: hardware |
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9 | |
10 | ;; (from code originally written by John Robinson@bbn for the bitgraph) | |
0d20f9a0 | 11 | |
0d20f9a0 JB |
12 | ;; This file is part of GNU Emacs. |
13 | ||
14 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
15 | ;; it under the terms of the GNU General Public License as published by | |
e5167999 | 16 | ;; the Free Software Foundation; either version 2, or (at your option) |
0d20f9a0 JB |
17 | ;; any later version. |
18 | ||
19 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
20 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | ;; GNU General Public License for more details. | |
23 | ||
24 | ;; You should have received a copy of the GNU General Public License | |
2fe590dc EN |
25 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
26 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
27 | ;; Boston, MA 02111-1307, USA. | |
0d20f9a0 | 28 | |
e5167999 ER |
29 | ;;; Code: |
30 | ||
0d20f9a0 JB |
31 | ;;; User customization option: |
32 | ||
33 | (defvar sup-mouse-fast-select-window nil | |
34 | "*Non-nil for mouse hits to select new window, then execute; else just select.") | |
35 | ||
36 | (defconst mouse-left 0) | |
37 | (defconst mouse-center 1) | |
38 | (defconst mouse-right 2) | |
39 | ||
40 | (defconst mouse-2left 4) | |
41 | (defconst mouse-2center 5) | |
42 | (defconst mouse-2right 6) | |
43 | ||
44 | (defconst mouse-3left 8) | |
45 | (defconst mouse-3center 9) | |
46 | (defconst mouse-3right 10) | |
47 | ||
48 | ;;; Defuns: | |
49 | ||
50 | (defun sup-mouse-report () | |
51 | "This function is called directly by the mouse, it parses and | |
52 | executes the mouse commands. | |
53 | ||
54 | L move point * |---- These apply for mouse click in a window. | |
55 | 2L delete word | | |
56 | 3L copy word | If sup-mouse-fast-select-window is nil, | |
57 | C move point and yank * | just selects that window. | |
58 | 2C yank pop | | |
59 | R set mark * | | |
60 | 2R delete region | | |
61 | 3R copy region | | |
62 | ||
63 | on modeline on \"scroll bar\" in minibuffer | |
64 | L scroll-up line to top execute-extended-command | |
65 | C proportional goto-char line to middle mouse-help | |
66 | R scroll-down line to bottom eval-expression" | |
67 | ||
68 | (interactive) | |
69 | (let* | |
70 | ;; expect a string of <esc>:<buttons>;<x-pos>;<y-pos>c | |
71 | ((buttons (sup-get-tty-num ?\;)) | |
72 | (x (sup-get-tty-num ?\;)) | |
73 | (y (sup-get-tty-num ?c)) | |
74 | (window (sup-pos-to-window x y)) | |
75 | (edges (window-edges window)) | |
76 | (old-window (selected-window)) | |
0cc89026 | 77 | (in-minibuf-p (eq y (1- (frame-height)))) |
0d20f9a0 JB |
78 | (same-window-p (and (not in-minibuf-p) (eq window old-window))) |
79 | (in-modeline-p (eq y (1- (nth 3 edges)))) | |
80 | (in-scrollbar-p (>= x (1- (nth 2 edges))))) | |
81 | (setq x (- x (nth 0 edges))) | |
82 | (setq y (- y (nth 1 edges))) | |
83 | ||
84 | ; (error "mouse-hit %d %d %d" buttons x y) ;;;; debug | |
85 | ||
86 | (cond (in-modeline-p | |
87 | (select-window window) | |
88 | (cond ((= buttons mouse-left) | |
89 | (scroll-up)) | |
90 | ((= buttons mouse-right) | |
91 | (scroll-down)) | |
92 | ((= buttons mouse-center) | |
93 | (goto-char (/ (* x | |
94 | (- (point-max) (point-min))) | |
95 | (1- (window-width)))) | |
96 | (beginning-of-line) | |
97 | (what-cursor-position))) | |
98 | (select-window old-window)) | |
99 | (in-scrollbar-p | |
100 | (select-window window) | |
101 | (scroll-up | |
102 | (cond ((= buttons mouse-left) | |
103 | y) | |
104 | ((= buttons mouse-right) | |
105 | (+ y (- 2 (window-height)))) | |
106 | ((= buttons mouse-center) | |
107 | (/ (+ 2 y y (- (window-height))) 2)) | |
108 | (t | |
109 | 0))) | |
110 | (select-window old-window)) | |
111 | (same-window-p | |
112 | (cond ((= buttons mouse-left) | |
113 | (sup-move-point-to-x-y x y)) | |
114 | ((= buttons mouse-2left) | |
115 | (sup-move-point-to-x-y x y) | |
116 | (kill-word 1)) | |
117 | ((= buttons mouse-3left) | |
118 | (sup-move-point-to-x-y x y) | |
119 | (save-excursion | |
120 | (copy-region-as-kill | |
121 | (point) (progn (forward-word 1) (point)))) | |
122 | (setq this-command 'yank) | |
123 | ) | |
124 | ((= buttons mouse-right) | |
125 | (push-mark) | |
126 | (sup-move-point-to-x-y x y) | |
127 | (exchange-point-and-mark)) | |
128 | ((= buttons mouse-2right) | |
129 | (push-mark) | |
130 | (sup-move-point-to-x-y x y) | |
131 | (kill-region (mark) (point))) | |
132 | ((= buttons mouse-3right) | |
133 | (push-mark) | |
134 | (sup-move-point-to-x-y x y) | |
135 | (copy-region-as-kill (mark) (point)) | |
136 | (setq this-command 'yank)) | |
137 | ((= buttons mouse-center) | |
138 | (sup-move-point-to-x-y x y) | |
139 | (setq this-command 'yank) | |
140 | (yank)) | |
141 | ((= buttons mouse-2center) | |
142 | (yank-pop 1)) | |
143 | ) | |
144 | ) | |
145 | (in-minibuf-p | |
146 | (cond ((= buttons mouse-right) | |
147 | (call-interactively 'eval-expression)) | |
148 | ((= buttons mouse-left) | |
149 | (call-interactively 'execute-extended-command)) | |
150 | ((= buttons mouse-center) | |
151 | (describe-function 'sup-mouse-report)); silly self help | |
152 | )) | |
153 | (t ;in another window | |
154 | (select-window window) | |
155 | (cond ((not sup-mouse-fast-select-window)) | |
156 | ((= buttons mouse-left) | |
157 | (sup-move-point-to-x-y x y)) | |
158 | ((= buttons mouse-right) | |
159 | (push-mark) | |
160 | (sup-move-point-to-x-y x y) | |
161 | (exchange-point-and-mark)) | |
162 | ((= buttons mouse-center) | |
163 | (sup-move-point-to-x-y x y) | |
164 | (setq this-command 'yank) | |
165 | (yank)) | |
166 | )) | |
167 | ))) | |
168 | \f | |
169 | ||
170 | (defun sup-get-tty-num (term-char) | |
171 | "Read from terminal until TERM-CHAR is read, and return intervening number. | |
172 | Upon non-numeric not matching TERM-CHAR signal an error." | |
173 | (let | |
174 | ((num 0) | |
175 | (char (read-char))) | |
176 | (while (and (>= char ?0) | |
177 | (<= char ?9)) | |
178 | (setq num (+ (* num 10) (- char ?0))) | |
179 | (setq char (read-char))) | |
180 | (or (eq term-char char) | |
181 | (error "Invalid data format in mouse command")) | |
182 | num)) | |
183 | ||
184 | (defun sup-move-point-to-x-y (x y) | |
185 | "Position cursor in window coordinates. | |
186 | X and Y are 0-based character positions in the window." | |
187 | (move-to-window-line y) | |
188 | (move-to-column x) | |
189 | ) | |
190 | ||
191 | (defun sup-pos-to-window (x y) | |
0cc89026 JB |
192 | "Find window corresponding to frame coordinates. |
193 | X and Y are 0-based character positions on the frame." | |
a74b0a72 | 194 | (some-window (lambda (w) (coordinates-in-window-p (cons x y) w)))) |
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195 | |
196 | ;;; sup-mouse.el ends here |