--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/enso_osx/input_manager.py	Sun Feb 24 09:55:34 2008 -0600
@@ -0,0 +1,241 @@
+import objc
+import Foundation
+import AppKit
+
+# Timer interval in seconds.
+_TIMER_INTERVAL = 0.010
+
+# Timer interval in milliseconds.
+_TIMER_INTERVAL_IN_MS = int( _TIMER_INTERVAL * 1000 )
+
+KEYCODE_CAPITAL = -1
+KEYCODE_SPACE = 49
+KEYCODE_LSHIFT = -1
+KEYCODE_RSHIFT = -1
+KEYCODE_LCONTROL = -1
+KEYCODE_RCONTROL = -1
+KEYCODE_LWIN = -1
+KEYCODE_RWIN = -1
+KEYCODE_RETURN = 36
+KEYCODE_ESCAPE = 53
+KEYCODE_TAB = 48
+KEYCODE_BACK = 51
+KEYCODE_DOWN = 125
+KEYCODE_UP = 126
+
+EVENT_KEY_UP = 0
+EVENT_KEY_DOWN = 1
+EVENT_KEY_QUASIMODE = 2
+
+KEYCODE_QUASIMODE_START = 0
+KEYCODE_QUASIMODE_END = 1
+KEYCODE_QUASIMODE_CANCEL = 2
+
+CASE_INSENSITIVE_KEYCODE_MAP = {
+    29: "0",
+    18: "1",
+    19: "2",
+    20: "3",
+    21: "4",
+    23: "5",
+    22: "6",
+    26: "7",
+    28: "8",
+    25: "9",
+    KEYCODE_SPACE: " ",
+    0: "a",
+    11: "b",
+    8: "c",
+    2: "d",
+    14: "e",
+    3: "f",
+    5: "g",
+    4: "h",
+    34: "i",
+    38: "j",
+    40: "k",
+    37: "l",
+    46: "m",
+    45: "n",
+    31: "o",
+    35: "p",
+    12: "q",
+    15: "r",
+    1: "s",
+    17: "t",
+    32: "u",
+    9: "v",
+    13: "w",
+    7: "x",
+    16: "y",
+    6: "z",
+    44: "?",
+    42: "\\",
+    47: ".",
+    41: ":",
+    24: "+",
+    27: "-",
+    }
+
+_inputManager = None
+
+def get():
+    return _inputManager
+
+class _Timer( Foundation.NSObject ):
+    def initWithCallback_( self, callback ):
+        self = super( _Timer, self ).init()
+        if self == None:
+            return None
+        self.__callback = callback
+        return self
+
+    def onTimer( self ):
+        self.__callback()
+
+class _KeyListener( Foundation.NSObject ):
+    def initWithCallback_( self, callback ):
+        self = super( _KeyListener, self ).init()
+        if self == None:
+            return None
+        self.__callback = callback
+        return self
+
+    def onNotification( self, notification ):
+        #print "notification received: %s" % notification.name()
+        userInfo = notification.userInfo()
+        eventDict = {}
+        for key in userInfo:
+            eventDict[key] = userInfo.objectForKey_(key)
+        self.__callback( eventDict )
+
+    def register( self ):
+        self.__center = Foundation.NSDistributedNotificationCenter.defaultCenter()
+        self.__center.addObserver_selector_name_object_(
+            self,
+            self.onNotification,
+            u"KeyNotifier_msg",
+            u"KeyNotifier"
+            )
+
+    def unregister( self ):
+        self.__center.removeObserver_( self )
+
+class InputManager( object ):
+    def __init__( self, quasimodeKeycode, trayIconPath ):
+        global _inputManager
+
+        self.__shouldStop = False
+        self.__mouseEventsEnabled = False
+        _inputManager = self
+        self.__qmKeycodes = [0, 0, 0]
+        self.__isModal = False
+        self.__inQuasimode = False
+
+    def __timerCallback( self ):
+        self.onTick( _TIMER_INTERVAL_IN_MS )
+
+    def __keyCallback( self, info ):
+        if info["event"] == "quasimodeStart":
+            self.onKeypress( EVENT_KEY_QUASIMODE,
+                             KEYCODE_QUASIMODE_START )
+        elif info["event"] == "quasimodeEnd":
+            self.onKeypress( EVENT_KEY_QUASIMODE,
+                             KEYCODE_QUASIMODE_END )
+        elif info["event"] == "someKey":
+            self.onSomeKey()
+        elif info["event"] in ["keyUp", "keyDown"]:
+            keycode = info["keycode"]
+            if info["event"] == "keyUp":
+                eventType = EVENT_KEY_UP
+            else:
+                eventType = EVENT_KEY_DOWN
+            self.onKeypress( eventType, keycode )
+        else:
+            print "Don't know what to do with event: %s" % info
+
+    def run( self ):
+        print "Entering InputManager.run()"
+
+        app = AppKit.NSApplication.sharedApplication()
+
+        timer = _Timer.alloc().initWithCallback_( self.__timerCallback )
+        signature = timer.methodSignatureForSelector_( timer.onTimer )
+        invocation = Foundation.NSInvocation.invocationWithMethodSignature_(
+            signature
+            )
+        invocation.setSelector_( timer.onTimer )
+        invocation.setTarget_( timer )
+
+        Foundation.NSTimer.scheduledTimerWithTimeInterval_invocation_repeats_(
+            _TIMER_INTERVAL,
+            invocation,
+            objc.YES
+            )
+
+        keyListener = _KeyListener.alloc().initWithCallback_(
+            self.__keyCallback
+            )
+        keyListener.register()
+
+        try:
+            self.onInit()
+            while not self.__shouldStop:
+                #print "Waiting for event."
+                event = app.nextEventMatchingMask_untilDate_inMode_dequeue_(
+                    0xffff,
+                    Foundation.NSDate.distantFuture(),
+                    AppKit.NSDefaultRunLoopMode,
+                    objc.YES
+                    )
+                if event:
+                    app.sendEvent_( event )
+        finally:
+            keyListener.unregister()
+
+        print "Exiting InputManager.run()"
+
+    def stop( self ):
+        self.__shouldStop = True
+
+    def enableMouseEvents( self, isEnabled ):
+        self.__mouseEventsEnabled = isEnabled
+
+    def onKeypress( self, eventType, vkCode ):
+        pass
+
+    def onSomeKey( self ):
+        pass
+
+    def onSomeMouseButton( self ):
+        pass
+
+    def onExitRequested( self ):
+        pass
+
+    def onMouseMove( self, x, y ):
+        pass
+
+    def getQuasimodeKeycode( self, quasimodeKeycode ):
+        return self.__qmKeycodes[quasimodeKeycode]
+
+    def setQuasimodeKeycode( self, quasimodeKeycode, keycode ):
+        self.__qmKeycodes[quasimodeKeycode] = keycode
+
+    def setModality( self, isModal ):
+        self.__isModal = isModal
+
+    def setCapsLockMode( self, isCapsLockEnabled ):
+        pass
+
+    def addTrayMenuItem(self, menuTitle, menuId ):
+        pass
+
+    def onTrayMenuItem( self, menuId ):
+        pass
+
+    def onTick( self, msPassed ):
+        pass
+
+    def onInit( self ):
+        pass