cancel button now resets settings, refs #5

proxyface/proxy.hxx

@@ -77,6 +77,9 @@ namespace gui {
             _auto.ping(_testUrl);
           } break;
         }
+        _lastType = _type->currentIndex();
+        _lastUrl = _url->text();
+        _lastPort = _port->value();
         if (!retry) detecting();
       }
       
@@ -126,10 +129,20 @@ namespace gui {
         QDialog::accept();
       }
 
+      virtual void reject() {
+        _type->setCurrentIndex(_lastType);
+        _url->setText(_lastUrl);
+        _port->setValue(_lastPort);
+        QDialog::reject();
+      }
+
     private:
 
       proxy::Face _auto;
       QUrl _testUrl;
+      int _lastType;
+      QString _lastUrl;
+      int _lastPort;
       
   };