ref: 7ae7351ace73a70cbbaf5a2da016005485d0d43b
dir: /appl/spree/clients/lobby.b/
implement Lobby;
include "sys.m";
sys: Sys;
include "draw.m";
draw: Draw;
Point, Rect, Display, Image, Font: import draw;
include "tk.m";
tk: Tk;
include "tkclient.m";
tkclient: Tkclient;
include "../join.m";
join: Join;
include "dividers.m";
dividers: Dividers;
Divider: import dividers;
include "commandline.m";
commandline: Commandline;
Cmdline: import commandline;
include "sh.m";
Lobby: module {
init: fn(ctxt: ref Draw->Context, argv: list of string);
};
CLIENTDIR: con "/dis/spree/clients";
NAMEFONT: con "/fonts/charon/plain.small.font";
TITLEFONT: con "/fonts/charon/bold.normal.font";
HEADERFONT: con "/fonts/charon/italic.normal.font";
Object: adt {
id: int;
pick {
Session =>
filename: string;
owner: string;
invitations: list of string;
members: list of string;
invited: int;
Sessiontype =>
start: string;
name: string;
title: string;
clienttype: string;
Invite =>
session: ref Object.Session;
name: string;
Member =>
parentid: int;
name: string;
Archive =>
Other =>
}
};
drawctxt: ref Draw->Context;
cliquefd: ref Sys->FD;
objects: array of ref Object;
myname: string;
maxid := 0;
badmodule(m: string)
{
sys->fprint(sys->fildes(2), "lobby: cannot load %s: %r\n", m);
raise "fail:bad module";
}
init(ctxt: ref Draw->Context, nil: list of string)
{
sys = load Sys Sys->PATH;
draw = load Draw Draw->PATH;
tk = load Tk Tk->PATH;
tkclient = load Tkclient Tkclient->PATH;
if (tkclient == nil)
badmodule(Tkclient->PATH);
tkclient->init();
commandline = load Commandline Commandline->PATH;
if(commandline == nil)
badmodule(Commandline->PATH);
commandline->init();
dividers = load Dividers Dividers->PATH;
if (dividers == nil)
badmodule(Dividers->PATH);
dividers->init();
join = load Join Join->PATH;
if (join == nil)
badmodule(Join->PATH);
drawctxt = ctxt;
cliquefd = sys->fildes(0);
sys->pctl(Sys->NEWPGRP, nil);
client1();
}
columns := array[] of {("name", ""), ("members", ""), ("watch", "Watch"), ("join", "Join"), ("invite", "Invite")};
reqwidth(win: ref Tk->Toplevel, w: string): int
{
return 2 * int cmd(win, w + " cget -bd") + int cmd(win, w + " cget -width");
}
client1()
{
(win, winctl) := tkclient->toplevel(drawctxt, nil, "Lobby", Tkclient->Appl);
ech := chan of string;
tk->namechan(win, ech, "e");
(chat, chatevent) := Cmdline.new(win, ".d2", nil);
updatech := chan of list of string;
spawn readproc(updatech);
cmd(win, "frame .buts");
cmd(win, "menubutton .buts.start -text New -menu .buts.start.m");
cmd(win, "menu .buts.start.m");
cmd(win, "pack .buts.start -side left");
cmd(win, "button .buts.kick -text Kick -command {send e kick}");
cmd(win, "pack .buts.kick -side left");
cmd(win, "pack .buts -side top -fill x");
cmd(win, "frame .d1");
cmd(win, "scrollbar .d1.s -orient vertical -command {.d1.c yview}");
cmd(win, "canvas .d1.c -yscrollcommand {.d1.s set}");
cmd(win, "pack .d1.s -side left -fill y");
cmd(win, "pack .d1.c -side top -fill both -expand 1");
cmd(win, "frame .t");
cmd(win, ".d1.c create window 0 0 -anchor nw -window .t");
cmd(win, "frame .t.f1 -bd 2 -relief sunken");
cmd(win, "pack .t.f1 -side top -fill both -expand 1");
cmd(win, "label .t.f1.sessionlabel -text Sessions -font " + TITLEFONT);
cmd(win, "pack .t.f1.sessionlabel");
cmd(win, "frame .t.s");
cmd(win, "pack .t.s -in .t.f1 -side top -fill both -expand 1");
cmd(win, "frame .t.f2 -bd 2 -relief sunken");
cmd(win, "label .t.archiveslabel -text Archives -font " + TITLEFONT);
cmd(win, "pack .t.archiveslabel");
cmd(win, "frame .t.a");
cmd(win, "pack .t.a -in .t.f2 -side top -fill both -expand 1 -anchor w");
cmd(win, "pack .t.f2 -side top -fill both -expand 1");
cmd(win, "label .t.a.title0 -text Title -font " + HEADERFONT);
cmd(win, "label .t.a.title1 -text Members -font " + HEADERFONT);
cmd(win, "grid .t.a.title0 .t.a.title1 -sticky w");
cmd(win, "grid columnconfigure .t.a 1 -weight 1");
cmd(win, "bind .t <Configure> {.d1.c configure -scrollregion {0 0 [.t cget -width] [.t cget -height]}}");
cmd(win, "button .tmp");
for (i := 0; i < len columns; i++) {
(name, mintext) := columns[i];
cmd(win, ".tmp configure -text '" + mintext);
cmd(win, "grid columnconfigure .t.s " + string i +
" -name " + name +
" -minsize " + string reqwidth(win, ".tmp"));
}
cmd(win, "grid columnconfigure .t.s members -weight 1");
cmd(win, "destroy .tmp");
cmd(win, "menu .invite");
(divider, dividerevent) := Divider.new(win, ".d", ".d1" :: ".d2" :: nil, Dividers->NS);
cmd(win, "pack .d -side top -fill both");
cmd(win, "pack propagate . 0");
tkclient->onscreen(win, nil);
tkclient->startinput(win, "kbd"::"ptr"::nil);
for (;;) {
alt {
s := <-win.ctxt.kbd =>
tk->keyboard(win, s);
s := <-win.ctxt.ptr =>
tk->pointer(win, *s);
s := <-win.ctxt.ctl or
s = <-win.wreq or
s = <-winctl =>
tkclient->wmctl(win, s);
c := <-dividerevent =>
divider.event(c);
c := <-chatevent =>
lines := chat.event(c);
for (; lines != nil; lines = tl lines) {
line := hd lines;
if (len line > 0 && line[len line-1]=='\n')
line = line[0:len line-1];
cliquecmd("chat " + line);
}
lines := <-updatech =>
#sys->print("++\n");
for (; lines != nil; lines = tl lines) {
#sys->print("+%s\n", hd lines);
doupdate(win, chat, hd lines);
}
cmd(win, "update");
c := <-ech =>
(n, toks) := sys->tokenize(c, " ");
case hd toks {
"watch" =>
joinclique(win, chat, int hd tl toks, "watch");
"join" =>
joinclique(win, chat, int hd tl toks, "join");
"start" =>
start(win, chat, int hd tl toks);
"postinvite" =>
postinvite(win, int hd tl toks, hd tl tl toks);
"unarchive" =>
e := cliquecmd("unarchive " + hd tl toks);
if (e != nil)
chat.addtext("failed to unarchive: " + e + "\n");
"invite" =>
# invite sessionid name
(id, name) := (hd tl toks, hd tl tl toks);
vname := "inv." + name;
v := int cmd(win, "variable " + vname);
s := "invite";
if (!v)
s = "uninvite";
e := cliquecmd(s + " " + string id + " " + name);
if (e != nil) {
chat.addtext("invite failed: " + e + "\n");
cmd(win, "variable " + vname + " " + string !v);
}
"kick" =>
e := cliquecmd("kick");
if (e != nil)
chat.addtext("kick failed: " + e + "\n");
* =>
sys->print("unknown msg %s\n", c);
}
cmd(win, "update");
}
}
}
joinclique(nil: ref Tk->Toplevel, chat: ref Cmdline, id: int, how: string)
{
pick o := objects[id] {
Session =>
e := join->join(drawctxt, "/n/remote", o.filename, how);
if (e != nil)
chat.addtext("couldn't join clique: " + e + "\n");
else
chat.addtext("joined clique ok\n");
* =>
sys->print("join bad id %d (type %d)\n", id, tagof objects[id]);
}
}
start(nil: ref Tk->Toplevel, chat: ref Cmdline, id: int)
{
pick o := objects[id] {
Sessiontype =>
e := cliquecmd("start " + o.start);
if (e != nil)
chat.addtext("failed to start clique: " + e + "\n");
* =>
sys->print("start bad id %d (type %d)\n", id, tagof objects[id]);
}
}
postinvite(win: ref Tk->Toplevel, id: int, widget: string)
{
pick o := objects[id] {
Session =>
cmd(win, ".invite delete 0 end");
cmd(win, ".invite add checkbutton -text All -variable inv.all -command {send e invite " + string id + " all}");
for (invites := o.invitations; invites != nil; invites = tl invites)
if (hd invites == "all")
break;
cmd(win, "variable inv.all " + string (invites != nil));
for (i := 0; i < len objects; i++) {
if (objects[i] == nil)
continue;
pick p := objects[i] {
Member =>
if (tagof(objects[p.parentid]) != tagof(Object.Session) && p.name != o.owner) {
for (invites = o.invitations; invites != nil; invites = tl invites)
if (hd invites == p.name)
break;
invited := invites != nil;
cmd(win, "variable inv." + p.name + " " + string invited);
cmd(win, ".invite add checkbutton -variable inv." + p.name +
" -command {send e invite " + string id + " " + p.name + "}" +
" -text '" + p.name);
}
}
}
x := int cmd(win, widget + " cget -actx");
y := int cmd(win, widget + " cget -acty");
h := 2 * int cmd(win, widget + " cget -bd") + int cmd(win, widget + " cget -actheight");
cmd(win, ".invite post " + string x + " " + string (y + h));
* =>
sys->print("bad invited id %d (type %d)\n", id, tagof objects[id]);
}
}
panic(s: string)
{
sys->print("lobby panic: %s\n", s);
raise "panic";
}
doupdate(win: ref Tk->Toplevel, chat: ref Cmdline, line: string)
{
(n, toks) := sys->tokenize(line, " ");
if (n == 0)
return;
case hd toks {
"chat" =>
chat.addtext(sys->sprint("%s: %s\n", hd tl toks, concat(tl tl toks)));
"create" =>
# create id parentid vis type
id := int hd tl toks;
if (id >= len objects)
objects = (array[len objects + 10] of ref Object)[0:] = objects;
if (objects[id] != nil)
panic(sys->sprint("object %d already exists!", id));
parentid := int hd tl tl toks;
objtype := tl tl tl tl toks;
o: ref Object;
case hd objtype {
"sessiontype" =>
o = ref Object.Sessiontype(id, nil, nil, nil, nil);
"session" =>
cmd(win, "grid rowinsert .t.s 0");
cmd(win, "grid rowconfigure .t.s 0 -name id" + string id);
f := ".t.s.f" + string id;
cmd(win, "frame " + f); # dummy, so we can destroy row easily
cmd(win, "label "+f+".name");
cmd(win, "grid "+f+".name -row id" + string id + " -column name -in .t.s");
cmd(win, "button "+f+".watch -text Watch -command {send e watch " + string id + "}");
cmd(win, "grid "+f+".watch -row id" + string id + " -column watch -in .t.s");
cmd(win, "label "+f+".members -font " + NAMEFONT);
cmd(win, "grid "+f+".members -row id" + string id + " -column members -in .t.s");
o = ref Object.Session(id, nil, nil, nil, nil, 0);
"member" =>
o = ref Object.Member(id, parentid, nil);
"invite" =>
pick parent := objects[parentid] {
Session =>
o = ref Object.Invite(id, parent, nil);
* =>
panic("invite not under session");
}
"archive" =>
cmd(win, "grid rowinsert .t.a 1");
cmd(win, "grid rowconfigure .t.a 1 -name id" + string id);
f := ".t.a.f" + string id;
cmd(win, "frame " + f);
cmd(win, "label "+f+".name");
cmd(win, "grid "+f+".name -row id" + string id + " -column 0 -in .t.a -sticky w");
cmd(win, "label "+f+".members -anchor w -font " + NAMEFONT);
cmd(win, "grid "+f+".members -row id" + string id + " -column 1 -in .t.a -sticky ew");
cmd(win, "button "+f+".unarchive -text Unarchive -command {send e unarchive " + string id + "}");
cmd(win, "grid "+f+".unarchive -row id" + string id + " -column 2 -in .t.a");
o = ref Object.Archive(id);
* =>
o = ref Object.Other(id);
}
objects[id] = o;
"del" =>
# del parent start end objs...
for (objs := tl tl tl tl toks; objs != nil; objs = tl objs) {
id := int hd objs;
pick o := objects[id] {
Session =>
cmd(win, "grid rowdelete .t.s id" + string id);
cmd(win, "destroy .t.s.f" + string id);
Archive =>
cmd(win, "grid rowdelete .t.a id" + string id);
cmd(win, "destroy .t.a.f" + string id);
Sessiontype =>
sys->print("cannot destroy sessiontypes yet\n");
Member =>
pick parent := objects[o.parentid] {
Session =>
parent.members = removeitem(parent.members, o.name);
cmd(win, sys->sprint(".t.s.f%d.members configure -text '%s", o.parentid, concat(parent.members)));
* =>
chat.addtext(o.name + " has left\n");
}
Invite =>
s := o.session;
invites := s.invitations;
invited := 0;
for (s.invitations = nil; invites != nil; invites = tl invites) {
inv := hd invites;
if (inv != o.name) {
s.invitations = inv :: s.invitations;
if (inv == "all" || inv == myname)
invited = 1;
}
}
if (!invited && s.invited) {
cmd(win, "destroy .t.s.f" + hd tl toks + ".join");
s.invited = 0;
}
}
objects[id] = nil;
}
"name" =>
myname = hd tl toks;
tkclient->settitle(win, "Lobby (" + myname + ")");
"set" =>
# set obj attr val
id := int hd tl toks;
(attr, val) := (hd tl tl toks, tl tl tl toks);
pick o := objects[id] {
Session =>
f := ".t.s.f" + string id;
case attr {
"filename" =>
o.filename = hd val;
"owner" =>
if (hd val == myname) {
cmd(win, "label "+f+".invite -text Invite -bd 2 -relief raised");
cmd(win, "bind "+f+".invite <Button-1> {send e postinvite " + string id + " %W}");
cmd(win, "grid "+f+".invite -row id" + string id + " -column invite -in .t.s");
}
o.owner = hd val;
"title" =>
cmd(win, f + ".name configure -text '" + concat(val));
}
Archive =>
f := ".t.a.f" + string id;
case attr {
"name" =>
cmd(win, f + ".name configure -text '" + concat(val));
"members" =>
cmd(win, f + ".members configure -text '" + concat(val));
}
Sessiontype =>
case attr {
"start" =>
o.start = concat(val);
"clienttype" =>
o.clienttype = hd val;
"title" =>
if (o.title != nil)
panic("can't change sessiontype name!");
else {
o.title = concat(val);
cmd(win, ".buts.start.m add command" +
" -command {send e start " + string id + "}" +
" -text '" + o.title);
}
"name" =>
o.name = hd val;
}
Member =>
case attr {
"name" =>
if (o.name != nil)
panic("cannot change member name!");
o.name = hd val;
pick parent := objects[o.parentid] {
Session =>
parent.members = o.name :: parent.members;
cmd(win, sys->sprint(".t.s.f%d.members configure -text '%s", o.parentid, concat(parent.members)));
* =>
chat.addtext(o.name + " has arrived\n");
}
}
Invite =>
case attr {
"name" =>
o.name = hd val;
s := o.session;
sid := string s.id;
f := ".t.s.f" + sid;
invited := o.name == myname || o.name == "all";
s.invitations = o.name :: s.invitations;
if (invited && !s.invited) {
cmd(win, "button "+f+".join -text Join -command {send e join " + sid + "}");
cmd(win, "grid "+f+".join -row id" + sid + " -column join -in .t.s");
s.invited = 1;
}
}
}
}
}
removeitem(l: list of string, i: string): list of string
{
rl: list of string;
for (; l != nil; l = tl l)
if (hd l != i)
rl = hd l :: rl;
return rl;
}
numsplit(s: string): (string, int)
{
for (i := len s - 1; i >= 0; i--)
if (s[i] < '0' || s[i] > '9')
break;
if (i == len s -1)
return (s, 0);
return (s[0:i+1], int s[i+1:]);
}
cliquecmd(s: string): string
{
if (sys->fprint(cliquefd, "%s", s) == -1) {
e := sys->sprint("%r");
sys->print("error on '%s': %s\n", s, e);
return e;
}
return nil;
}
prefixed(s: string, prefix: string): int
{
return len s >= len prefix && s[0:len prefix] == prefix;
}
readproc(updatech: chan of list of string)
{
buf := array[Sys->ATOMICIO] of byte;
while ((n := sys->read(cliquefd, buf, Sys->ATOMICIO)) > 0) {
(nil, lines) := sys->tokenize(string buf[0:n], "\n");
if (lines != nil)
updatech <-= lines;
}
updatech <-= nil;
}
startclient(mod: Command, argv: list of string)
{
{
mod->init(drawctxt, argv);
} exception e {
"*" =>
sys->print("client %s broken: %s\n", hd argv, e);
exit;
}
mod->init(drawctxt, argv);
}
cmd(win: ref Tk->Toplevel, s: string): string
{
r := tk->cmd(win, s);
if(len r > 0 && r[0] == '!')
sys->print("error executing '%s': %s\n", s, r[1:]);
return r;
}
concat(l: list of string): string
{
if (l == nil)
return nil;
s := hd l;
for (l = tl l; l != nil; l = tl l)
s += " " + hd l;
return s;
}