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
|
implement WmQt;
include "sys.m";
sys: Sys;
include "draw.m";
draw: Draw;
include "tk.m";
tk: Tk;
Toplevel: import tk;
include "tkclient.m";
tkclient: Tkclient;
ctxt: ref Draw->Context;
include "quicktime.m";
qt: QuickTime;
WmQt: module
{
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
Stopped, Playing: con iota;
task_cfg := array[] of {
"canvas .c",
"frame .b",
"button .b.File -text File -command {send cmd file}",
"button .b.Stop -text Stop -command {send cmd stop}",
"button .b.Pause -text Pause -command {send cmd pause}",
"button .b.Play -text Play -command {send cmd play}",
"frame .f",
"label .f.file -text {File:}",
"label .f.name",
"pack .f.file .f.name -side left",
"pack .b.File .b.Stop .b.Pause .b.Play -side left",
"pack .f -fill x",
"pack .b -anchor w",
"pack .c -side bottom -fill both -expand 1",
"pack propagate . 0",
};
init(xctxt: ref Draw->Context, nil: list of string)
{
sys = load Sys Sys->PATH;
if (ctxt == nil) {
sys->fprint(sys->fildes(2), "qt: no window context\n");
raise "fail:bad context";
}
draw = load Draw Draw->PATH;
tk = load Tk Tk->PATH;
tkclient= load Tkclient Tkclient->PATH;
ctxt = xctxt;
tkclient->init();
(t, menubut) := tkclient->toplevel(ctxt.screen, "", "QuickTime Player", 0);
cmd := chan of string;
tk->namechan(t, cmd, "cmd");
tkclient->tkcmds(t, task_cfg);
tk->cmd(t, "bind . <Configure> {send cmd resize}");
tk->cmd(t, "update");
qt = load QuickTime QuickTime->PATH;
if(qt == nil) {
tkclient->dialog(t, "error -fg red", "Load Module",
"Failed to load the QuickTime interface:\n"+
sys->sprint("%r"),
0, "Exit"::nil);
return;
}
qt->init();
fname := "";
ctl := chan of string;
state := Stopped;
for(;;) alt {
menu := <-menubut =>
if(menu == "exit")
return;
tkclient->wmctl(t, menu);
press := <-cmd =>
case press {
"file" =>
pat := list of {
"*.mov (Apple QuickTime Movie)"
};
fname = tkclient->filename(ctxt.screen, t, "Locate Movie", pat, "");
if(fname != nil) {
s := fname;
if(len s > 25)
s = "..."+fname[len s - 25:];
tk->cmd(t, ".f.name configure -text {"+s+"}");
tk->cmd(t, "update");
}
"play" =>
if(fname != nil)
spawn play(t, fname);
}
}
}
#
# Parse the atoms describing a movie
#
moov(t: ref Toplevel, q: ref QuickTime->QD)
{
for(;;) {
(h, l) := qt->q.atomhdr();
if(l < 0)
break;
case h {
* =>
qt->q.skipatom(l);
"mvhd" =>
err := qt->q.mvhd(l);
if(err == nil)
break;
tkclient->dialog(t, "error -fg red", "Parse Headers",
err,
0, "Exit"::nil);
exit;
"trak" =>
err := qt->q.trak(l);
if(err == nil)
break;
tkclient->dialog(t, "error -fg red", "Parse Track",
err,
0, "Exit"::nil);
exit;
}
}
}
play(t: ref Toplevel, file: string)
{
(q, err) := qt->open(file);
if(err != nil) {
tkclient->dialog(t, "error -fg red", "Open Movie",
"Failed to open \""+file+"\"\n"+err,
0, "Continue"::nil);
return;
}
for(;;) {
(h, l) := qt->q.atomhdr();
if(l < 0)
break;
case h {
* =>
qt->q.skipatom(l);
"moov" =>
moov(t, q);
}
}
}
|
