Improve mapping and config support.

py/create.py

@@ -2,85 +2,39 @@ import linux_uinput, ctypes, fcntl, os, sys
 
 from cinput import *
 
-clone = True
+from mapper import KeyMapper, parse_conf
 
-overrule = lambda x: -x*2
-passthrough = lambda x: x
-config = {
-        EV_REL : {
-            REL_X : {
-                'type' : EV_REL,
-                'code' : REL_X,
-                'value': overrule
-            },
-            REL_Y : {
-                'type': EV_REL,
-                'code': REL_Y,
-                'value' : overrule
-            }
-        },
-        EV_KEY : {
-            BTN_LEFT : {
-                'type' : EV_KEY,
-                'code' : BTN_LEFT,
-                'value' : passthrough
-            }
-        }
-}
 
+from example_conf import config
+
+clone = False
 
 f = InputDevice(sys.argv[1] if len(sys.argv) == 2 else "/dev/input/event3")
-
 d = UInputDevice()
 
-
 if clone:
-    e = f.get_exposed_events()
-    for k, v in e.iteritems():
-        t = events[k]
-        if t == EV_SYN:
-            continue
-        d.expose_event_type(t)
-        for key in v:
-            tt = event_keys[t][key]
-            d.expose_event(t, tt)
+    conf = parse_conf(f)
+    m = KeyMapper(conf)
 
-        print k + ':', ', '.join(v)
 else:
-    for evt, v in config.iteritems():
-        for code, dat in v.iteritems():
-            d.expose_event_type(dat['type'])
-            d.expose_event(dat['type'], dat['code'])
+    m = KeyMapper(config)
 
+m.expose(d)
 
 d.setup('Example input device' )
 
 
-def map_ev(ev):
-
-    _type = ev.type
-    if _type in config:
-        typemaps = config[_type]
-        if ev.code in typemaps:
-            info = typemaps[ev.code]
-            ev.type = info['type']
-            ev.code = info['code']
-            ev.value = info['value'](ev.value)
-
-    return ev
-
 while True:
     ev = f.next_event()
 
-    if not clone:
-        ev = map_ev(ev)
+    ev = m.map_event(ev)
 
     d.fire_event(ev)
 
-    try:
-        #print ev.time.tv_sec, ev.time.tv_usec
-        s = '%s %s %d' % (rev_events[ev.type], rev_event_keys[ev.type][ev.code], ev.value)
-        print 'Event type:', s
+    #try:
+    #    print ev.time.tv_sec, ev.time.tv_usec
+    #    s = '%s %s %d' % (rev_events[ev.type], rev_event_keys[ev.type][ev.code], ev.value)
+    #    print 'Event type:', s
 
-    except KeyError:
-       pass
+    #except KeyError:
+    #   pass

py/mapper.py

@@ -0,0 +1,43 @@
+import cinput
+
+def parse_conf(f):
+    conf = {}
+    e = f.get_exposed_events()
+    for k, v in e.iteritems():
+        t = cinput.events[k]
+        if t == cinput.EV_SYN:
+            continue
+
+        conf[t] = {}
+
+        for key in v:
+            tt = cinput.event_keys[t][key]
+            conf[t][tt] = {
+                'type' : t,
+                'code' : tt,
+                'value' : lambda x: x
+            }
+
+    return conf
+
+class KeyMapper(object):
+    def __init__(self, config):
+        self._config = config
+
+    def map_event(self, ev):
+        _type = ev.type
+        if _type in self._config:
+            typemaps = self._config[_type]
+            if ev.code in typemaps:
+                info = typemaps[ev.code]
+                ev.type = info['type']
+                ev.code = info['code']
+                ev.value = info['value'](ev.value)
+
+        return ev
+
+    def expose(self, d):
+        for evt, v in self._config.iteritems():
+            for code, dat in v.iteritems():
+                d.expose_event_type(dat['type'])
+                d.expose_event(dat['type'], dat['code'])