ui-macos/*: "a series of unfortunate events."

Just kidding.  This is a squash of a whole bunch of unlabeled temporary
commits that I produced over the last couple of weeks while writing a UI
for MacOS while riding on airplanes and sitting in airports.

So long, batch of useless commits!

ui-macos/models.py

@@ -0,0 +1,108 @@
+from AppKit import *
+import my
+
+
+configchange_callback = setconnect_callback = None
+
+
+def config_changed():
+    if configchange_callback:
+        configchange_callback()
+
+
+def _validate_ip(v):
+    parts = v.split('.')[:4]
+    if len(parts) < 4:
+        parts += ['0'] * (4 - len(parts))
+    for i in range(4):
+        n = my.atoi(parts[i])
+        if n < 0:
+            n = 0
+        elif n > 255:
+            n = 255
+        parts[i] = str(n)
+    return '.'.join(parts)
+
+
+def _validate_width(v):
+    n = my.atoi(v)
+    if n < 0:
+        n = 0
+    elif n > 32:
+        n = 32
+    return n
+
+
+class SshuttleNet(NSObject):
+    def subnet(self):
+        return getattr(self, '_k_subnet', None)
+    def setSubnet_(self, v):
+        self._k_subnet = v
+        config_changed()
+    @objc.accessor
+    def validateSubnet_error_(self, value, error):
+        print 'validateSubnet!'
+        return True, _validate_ip(value), error
+
+    def width(self):
+        return getattr(self, '_k_width', 24)
+    def setWidth_(self, v):
+        self._k_width = v
+        config_changed()
+    @objc.accessor
+    def validateWidth_error_(self, value, error):
+        print 'validateWidth!'
+        return True, _validate_width(value), error
+
+
+class SshuttleServer(NSObject):
+    def init(self):
+        self = super(SshuttleServer, self).init()
+        config_changed()
+        return self
+    
+    def connected(self):
+        return getattr(self, '_k_connected', False)
+    def setConnected_(self, v):
+        self._k_connected = v
+        config_changed()
+        if setconnect_callback: setconnect_callback(self)
+    
+    def host(self):
+        return getattr(self, '_k_host', None)
+    def setHost_(self, v):
+        self._k_host = v
+        config_changed()
+    @objc.accessor
+    def validateHost_error_(self, value, error):
+        print 'validatehost! %r %r %r' % (self, value, error)
+        while value.startswith('-'):
+            value = value[1:]
+        return True, value, error
+
+    def nets(self):
+        return getattr(self, '_k_nets', [])
+    def setNets_(self, v):
+        self._k_nets = v
+        config_changed()
+    def netsHidden(self):
+        print 'checking netsHidden'
+        return self.autoNets() != 2
+    def setNetsHidden_(self, v):
+        config_changed()
+        print 'setting netsHidden to %r' % v
+        pass
+        
+    def autoNets(self):
+        return getattr(self, '_k_autoNets', 1)
+    def setAutoNets_(self, v):
+        self._k_autoNets = v
+        self.setNetsHidden_(-1)
+        config_changed()
+
+    def autoHosts(self):
+        return getattr(self, '_k_autoHosts', True)
+    def setAutoHosts_(self, v):
+        self._k_autoHosts = v
+        config_changed()
+