public void run() {
for (; ; ) {
try {
int n = sel.select();
if (n > 0) processSelectedKeys();
processPendingTargets();
if (shutdown) {
sel.close();
return;
}
} catch (IOException x) {
x.printStackTrace();
}
}
}
private void expand() {
resize(new Coord(sz.x, 100));
setcanfocus(true);
if (sel != null) sel.show();
chansel.show();
expanded = true;
}
void add(Target t) {
SocketChannel sc = null;
try {
sc = SocketChannel.open();
sc.configureBlocking(false);
boolean connected = sc.connect(t.address);
t.channel = sc;
t.connectStart = System.currentTimeMillis();
if (connected) {
t.connectFinish = t.connectStart;
sc.close();
printer.add(t);
} else {
synchronized (pending) {
pending.add(t);
}
sel.wakeup();
}
} catch (IOException x) {
if (sc != null) {
try {
sc.close();
} catch (IOException xx) {
}
}
t.failure = x;
printer.add(t);
}
}
private void contract() {
resize(new Coord(sz.x, 50));
setcanfocus(false);
if (sel != null) sel.hide();
chansel.hide();
expanded = false;
}
public void cdestroy(Widget w) {
if (w instanceof Channel) {
Channel chan = (Channel) w;
if (chan == sel) sel = null;
chansel.rm(chan);
}
}
public void newchild(Widget w) {
if (w instanceof Channel) {
Channel chan = (Channel) w;
select(chan);
chansel.add(chan);
if (!expanded) chan.hide();
}
}
public ChatUI(Coord c, int w, Widget parent) {
super(c.add(0, -50), new Coord(w, 50), parent);
chansel = new Selector(Coord.z, new Coord(selw, sz.y));
chansel.hide();
base = c;
setfocusctl(true);
setcanfocus(false);
}
public boolean keydown(KeyEvent ev) {
boolean M = (ev.getModifiersEx() & (KeyEvent.META_DOWN_MASK | KeyEvent.ALT_DOWN_MASK)) != 0;
if (qline != null) {
if (M && (ev.getKeyCode() == KeyEvent.VK_UP)) {
Channel prev = this.sel;
while (chansel.up()) {
if (this.sel instanceof EntryChannel) break;
}
if (!(this.sel instanceof EntryChannel)) {
select(prev);
return (true);
}
qline = new QuickLine((EntryChannel) sel);
return (true);
} else if (M && (ev.getKeyCode() == KeyEvent.VK_DOWN)) {
Channel prev = this.sel;
while (chansel.down()) {
if (this.sel instanceof EntryChannel) break;
}
if (!(this.sel instanceof EntryChannel)) {
select(prev);
return (true);
}
qline = new QuickLine((EntryChannel) sel);
return (true);
}
qline.key(ev);
return (true);
} else {
if (M && (ev.getKeyCode() == KeyEvent.VK_UP)) {
chansel.up();
return (true);
} else if (M && (ev.getKeyCode() == KeyEvent.VK_DOWN)) {
chansel.down();
return (true);
}
return (super.keydown(ev));
}
}
void processSelectedKeys() throws IOException {
for (Iterator i = sel.selectedKeys().iterator(); i.hasNext(); ) {
SelectionKey sk = (SelectionKey) i.next();
i.remove();
Target t = (Target) sk.attachment();
SocketChannel sc = (SocketChannel) sk.channel();
try {
if (sc.finishConnect()) {
sk.cancel();
t.connectFinish = System.currentTimeMillis();
sc.close();
printer.add(t);
}
} catch (IOException x) {
sc.close();
t.failure = x;
printer.add(t);
}
}
}
void shutdown() {
shutdown = true;
sel.wakeup();
}
Connector(Printer pr) throws IOException {
printer = pr;
sel = Selector.open();
setName("Connector");
}
public void resize(Coord sz) {
super.resize(sz);
this.c = base.add(0, -this.sz.y);
chansel.resize(new Coord(selw, this.sz.y));
if (sel != null) sel.resize(new Coord(this.sz.x - selw, this.sz.y));
}