emulator view - init fd to -1

Views/EmulatorView.mm

@@ -155,7 +155,7 @@
     _paddingLeft = 8;
     _paddingTop = 8;
     _paddingBottom = 8;
-    _fd = 1;
+    _fd = -1;
     
     //_foregroundColor = [[NSColor greenColor] retain];
     //_backgroundColor = [[NSColor blackColor] retain];
@@ -233,6 +233,10 @@
     [self becomeFirstResponder];
 }
 
+-(BOOL)canBecomeKeyView {
+    return YES;
+}
+
 -(BOOL)acceptsFirstResponder
 {
     return YES;