+class KeyModSelector(forms.MultiWidget):
+ def __init__(self):
+ super(KeyModSelector, self).__init__(
+ [forms.CheckboxInput() for x in xrange(0, 3)])
+
+ def decompress(self, v):
+ if not v: v = 0
+ r = [(v & 0x01) != 0, (v & 0x02) != 0, (v & 0x04) != 0]
+ print "DECOMPRESS: " , v, repr(r)
+ return r
+
+ def format_output(self, widgets):
+ out = u''
+ out += u'<p>' + widgets[0] + u' Alt </p>'
+ out += u'<p>' + widgets[1] + u' Ctrl </p>'
+ out += u'<p>' + widgets[2] + u' Shift </p>'
+ return out
+
+class KeyModField(forms.MultiValueField):
+
+ def __init__(self):
+ super(KeyModField, self).__init__(\
+ fields = tuple(forms.BooleanField() for x in xrange(0, 3)), \
+ widget = KeyModSelector())
+
+ def compress(self, dl):
+ v = int(dl[0]) | (int(dl[1]) << 1) | (int(dl[2]) << 2)
+ print "COMPRESS", v
+ return v
+