ref: 2cab6c0b2f7ccfad3c7990070ab0917cfd978cf1
dir: /module/devpointer.m/
Devpointer: module
{
PATH: con "/dis/lib/devpointer.dis";
Size: con 1+4*12; # 'm' plus 4 12-byte decimal integers
# merge events that have the same button state.
Ptrqueue: adt {
last: ref Draw->Pointer;
h, t: list of ref Draw->Pointer;
put: fn(q: self ref Ptrqueue, s: ref Draw->Pointer);
get: fn(q: self ref Ptrqueue): ref Draw->Pointer;
peek: fn(q: self ref Ptrqueue): ref Draw->Pointer;
nonempty: fn(q: self ref Ptrqueue): int;
};
init: fn();
reader: fn(file: string, posn: chan of ref Draw->Pointer, pid: chan of (int, string));
bytes2ptr: fn(b: array of byte): ref Draw->Pointer;
ptr2bytes: fn(p: ref Draw->Pointer): array of byte;
srv: fn(c: chan of ref Draw->Pointer, f: ref Sys->FileIO);
};