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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
;; Xkeypanel.l
;; (c)1996 Toshihiro Matsui, Electrotechnical Laboratory
;;
(list "@(#)$Id$")
(in-package "X")
(defclass number-display :super CharacterWindow :slots (value value-string))
(defmethod number-display
(:create (&rest args &key (font font-courb18) (rows 1) (columns 12)
&allow-other-keys)
(send-super* :create :font font :rows rows :columns columns args)
(setq value 0)
self)
(:value-string (s) ;right justfied print
(send self :clear-lines 0 1) ;clear the 0th line
(send self :put-line 0 (- win-col-max (length s)) s))
(:value (&optional (v))
(if v
(progn
(setq value v)
(setq value-string
(if (floatp value)
(format nil "~2,3g" value)
(format nil "~d" value)) )
(send self :value-string value-string) ) )
value)
)
(defclass number-input :super number-display :slots (digits))
(defmethod number-input
(:create (&rest args )
(send-super* :create :width 160 :height 110
:item-width 25 :item-height 20
:event-mask '(:key :button)
args) )
(:clear-value (&rest args)
(setq value 0
digits (copy-seq "0"))
(send-super :value value)
self)
(:value (&optional digits)
(when digits
(setq value (read-from-string digits))
(send-super :value-string digits))
value)
(:enter-digit (n)
(cond ((= value n 0) )
((= value 0) (setq digits (format nil "~d" n)))
(t (setq digits (concatenate string digits (format nil "~d" n))))
)
(send self :value digits))
(:decimal-point (evnt)
(cond ((member #\. digits) (x:bell x:*display* 1) (xflush))
(t (setq digits (concatenate string digits ".")))
)
(send self :value digits))
(:delete-last-digit ()
(cond ((= (length digits) 1) (setq digits (copy-seq "0")))
(t (setq digits (subseq digits 0 (1- (length digits)))))
)
(send self :value digits))
(:keyEnter (ch &optional evnt)
(cond ((digit-char-p ch) (send self :enter-digit (- ch #\0)))
((member ch '(#\return #\newline)) (send parent :enter-number evnt))
((eql ch 3) (send parent :abort)) ;^C
((eql ch 21) (send self :clear-value)) ;^U
((member ch '(#\backspace #\delete))
(send self :delete-last-digit))
(t (bell *display* 1)) ) )
(:keypress (event)
(if (= (lookupstring event charbuf 1 0 0) 1)
(send self :keyEnter (char charbuf 0) event)))
)
(defclass number-display-key :super panel
:slots (numdisp digits value))
(defmethod number-display-key
(:create (&rest args )
(send-super* :create :width 160 :height 110
:item-width 25 :item-height 20
:event-mask '(:key :button)
args)
(setq numdisp (instance number-display :create :x 0 :y 0
:width 160 :height 25 :parent self))
(setq next-y 30)
(send self :create-item
x:bitmap-button-item "key0.xbm"
self (list :enter-digit 0))
(send self :create-item
x:bitmap-button-item "key1.xbm"
self (list :enter-digit 1))
(send self :create-item
x:bitmap-button-item "key2.xbm"
self (list :enter-digit 2))
(send self :create-item
x:bitmap-button-item "key3.xbm"
self (list :enter-digit 3))
(send self :create-item
x:bitmap-button-item "key4.xbm"
self (list :enter-digit 4))
(send self :create-item
x:bitmap-button-item "key5.xbm"
self (list :enter-digit 5))
(send self :create-item
x:bitmap-button-item "key6.xbm"
self (list :enter-digit 6))
(send self :create-item
x:bitmap-button-item "key7.xbm"
self (list :enter-digit 7))
(send self :create-item
x:bitmap-button-item "key8.xbm"
self (list :enter-digit 8))
(send self :create-item
x:bitmap-button-item "key9.xbm"
self (list :enter-digit 9))
(send self :create-item
x:bitmap-button-item "keyclr.xbm"
self :clear-value)
(send self :create-item
x:bitmap-button-item "keyenter.xbm"
parent :enter-number)
(send self :create-item
x:bitmap-button-item "keyend.xbm"
self :quit)
(send self :clear-value)
self)
)
(defclass calculator :super panel
:slots (numdisp value op memory digits))
(defmethod calculator
(:create (&rest args)
(send-super* :create :width 160 :height 155 :item-width 30 args)
(setq numdisp (instance number-display :create :x 0 :y 0
:width 160 :height 25 :parent self))
(setq value 0 memory 0 op nil digits (copy-seq "0"))
(setq next-y 30)
(send self :create-item
x:bitmap-button-item "key0.xbm"
self (list :enter-number 0))
(send self :create-item
x:bitmap-button-item "key1.xbm"
self (list :enter-number 1))
(send self :create-item
x:bitmap-button-item "key2.xbm"
self (list :enter-number 2))
(send self :create-item
x:bitmap-button-item "key3.xbm"
self (list :enter-number 3))
(send self :create-item
x:bitmap-button-item "key4.xbm"
self (list :enter-number 4))
(send self :create-item
x:bitmap-button-item "key5.xbm"
self (list :enter-number 5))
(send self :create-item
x:bitmap-button-item "key6.xbm"
self (list :enter-number 6))
(send self :create-item
x:bitmap-button-item "key7.xbm"
self (list :enter-number 7))
(send self :create-item
x:bitmap-button-item "key8.xbm"
self (list :enter-number 8))
(send self :create-item
x:bitmap-button-item "key9.xbm"
self (list :enter-number 9))
(send self :create-item
x:bitmap-button-item "keydot.xbm"
self :decimal-point)
(send self :create-item
x:bitmap-button-item "key-.xbm"
self (list :binary-op '-))
(send self :create-item
x:bitmap-button-item "key+.xbm"
self (list :binary-op '+))
(send self :create-item
x:bitmap-button-item "keyx.xbm"
self (list :binary-op '*))
(send self :create-item
x:bitmap-button-item "keydiv.xbm"
self (list :binary-op '/))
(send self :create-item
x:bitmap-button-item "keysqrt.xbm"
self (list :unary-op 'sqrt))
(send self :create-item
x:bitmap-button-item "key=.xbm"
self (list :binary-op '=))
(send self :create-item
x:bitmap-button-item "keyclr.xbm"
self :clear)
(send self :create-item
x:bitmap-button-item "keyend.xbm"
self :quit)
self))
(defmethod calculator
(:clear (&rest args)
(when (equal value 0) (setq memory 0 op nil))
(setq value 0
digits (copy-seq "0"))
(send numdisp :value value)
self)
(:enter-number (n)
(cond ((= value n 0) )
((= value 0) (setq digits (format nil "~d" n)))
(t (setq digits (concatenate string digits (format nil "~d" n))))
)
(send self :value))
(:decimal-point (evnt)
(cond ((member #\. digits) (x:bell x:*display* 1) (xflush))
(t (setq digits (concatenate string digits ".")))
)
(send self :value))
(:unary-op (k)
(case k
(sqrt (setq value (sqrt value)))
(log (setq value (log value)))
(t (print '?)))
(setq digits (format nil "~a" value))
(send numdisp :value value)
self)
(:binary-op (k)
(print (list memory op value))
(case op
(+ (setq memory (+ value memory)))
(- (setq memory (- memory value)))
(* (setq memory (* value memory)))
(/ (setq memory (/ memory value)))
(t (setq memory value) (print '?)))
(setq value 0 digits (copy-seq "0"))
(send numdisp :value memory)
(setq op k)
self)
)
|
