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
|
implement wish;
include "sys.m";
sys: Sys;
include "draw.m";
draw: Draw;
include "tk.m";
tk: Tk;
include "tkclient.m";
tkclient: Tkclient;
include "bufio.m";
bufmod : Bufio;
Iobuf : import bufmod;
include "../lib/tcl.m";
tcl : Tcl_Core;
wish : module
{
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
menubut : chan of string;
keyboard,mypid : int;
Wwsh : ref Tk->Toplevel;
init(ctxt: ref Draw->Context, argv: list of string) {
sys = load Sys Sys->PATH;
if (ctxt == nil) {
sys->fprint(sys->fildes(2), "wish: no window context\n");
raise "fail:bad context";
}
draw = load Draw Draw->PATH;
tk = load Tk Tk->PATH;
tkclient= load Tkclient Tkclient->PATH;
bufmod = load Bufio Bufio->PATH;
if (tk==nil || tkclient==nil || bufmod==nil){
sys->print("Load Error: %r\n");
exit;
}
tcl=load Tcl_Core Tcl_Core->PATH;
if (tcl==nil){
sys->print("Cannot load Tcl (%r)\n");
exit;
}
keyboard=1;
argv = tl argv;
if (argv!=nil)
file:=parse_args(argv);
geom:="";
mypid=sys->pctl(sys->NEWPGRP, nil);
tkclient->init();
Wshinit(ctxt, geom);
tcl->init(ctxt,argv);
tcl->set_top(Wwsh);
shellit(file);
}
parse_args(argv : list of string) : string {
while (argv!=nil){
case (hd argv){
"-k" =>
keyboard=0;
"-f" =>
argv = tl argv;
return hd argv;
* =>
return nil;
}
argv = tl argv;
}
return nil;
}
shellit(file:string){
drag:=chan of string;
tk->namechan(Wwsh, drag, "Wm_drag");
lines:=chan of string;
Tcl_Chan:=chan of string;
tk->namechan(Wwsh, lines, "lines");
tk->namechan(Wwsh, Tcl_Chan, "Tcl_Chan");
new_inp:="wish%";
unfin:="wish>";
line : string;
loadfile(file);
quiet:=0;
if (keyboard)
spawn tcl->grab_lines(new_inp,unfin,lines);
for(;;){
alt{
s := <-drag =>
if(len s < 6 || s[0:5] != "path=")
break;
loadfile(s[5:]);
sys->print("%s ",new_inp);
line = <-lines =>
line = tcl->prepass(line);
msg:= tcl->evalcmd(line,0);
if (msg!=nil)
sys->print("%s\n",msg);
sys->print("%s ", new_inp);
tcl->clear_error();
rline := <-Tcl_Chan =>
rline = tcl->prepass(rline);
msg:= tcl->evalcmd(rline,0);
if (msg!=nil)
sys->print("%s\n",msg);
tcl->clear_error();
menu := <-menubut =>
if(menu == "exit"){
kfd := sys->open("#p/"+string mypid+"/ctl", sys->OWRITE);
if(kfd == nil)
sys->print("error opening pid %d (%r)\n",mypid);
sys->fprint(kfd, "killgrp");
exit;
}
tkclient->wmctl(Wwsh, menu);
}
}
}
loadfile(file :string) {
iob : ref Iobuf;
line,input : string;
line = "";
if (file==nil)
return;
iob = bufmod->open(file,bufmod->OREAD);
if (iob==nil){
sys->print("File %s cannot be opened for reading",file);
return;
}
while((input=iob.gets('\n'))!=nil){
line+=input;
if (tcl->finished(line,0)){
line = tcl->prepass(line);
msg:= tcl->evalcmd(line,0);
if (msg!=nil)
sys->print("%s\n",msg);
tcl->clear_error();
line=nil;
}
}
}
Wshinit(ctxt: ref Draw->Context, geom: string) {
(Wwsh, menubut) = tkclient->toplevel(ctxt, geom,
"WishPad",Tkclient->Appl);
cmd := chan of string;
tk->namechan(Wwsh, cmd, "wsh");
tk->cmd(Wwsh, "update");
}
|
