--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/extras/pyrepl/unix_eventqueue.py	Tue Feb 16 10:07:05 2010 +0530
@@ -0,0 +1,96 @@
+#
+# Slightly modified unix_eventqueue.py.
+#
+# Portions Copyright (c) 2005 Nokia Corporation 
+#
+#   Copyright 2000-2004 Michael Hudson mwh@python.net
+#
+#                        All Rights Reserved
+#
+#
+# Permission to use, copy, modify, and distribute this software and
+# its documentation for any purpose is hereby granted without fee,
+# provided that the above copyright notice appear in all copies and
+# that both that copyright notice and this permission notice appear in
+# supporting documentation.
+#
+# THE AUTHOR MICHAEL HUDSON DISCLAIMS ALL WARRANTIES WITH REGARD TO
+# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS, IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL,
+# INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+# RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+# CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+# Bah, this would be easier to test if curses/terminfo didn't have so
+# much non-introspectable global state.
+
+from pyrepl import keymap
+from pyrepl.console import Event
+import dumbcurses as curses
+import sys
+
+_keynames = {
+    "delete" : "kdch1",
+    "down" : "kcud1",
+    "end" : "kend",
+    "enter" : "kent",
+    "f1"  : "kf1",    "f2"  : "kf2",    "f3"  : "kf3",    "f4"  : "kf4",
+    "f5"  : "kf5",    "f6"  : "kf6",    "f7"  : "kf7",    "f8"  : "kf8",
+    "f9"  : "kf9",    "f10" : "kf10",   "f11" : "kf11",   "f12" : "kf12",
+    "f13" : "kf13",   "f14" : "kf14",   "f15" : "kf15",   "f16" : "kf16",
+    "f17" : "kf17",   "f18" : "kf18",   "f19" : "kf19",   "f20" : "kf20",
+    "home" : "khome",
+    "insert" : "kich1",
+    "left" : "kcub1",
+    "page down" : "knp",
+    "page up"   : "kpp",
+    "right" : "kcuf1",
+    "up" : "kcuu1",
+    }
+
+class EventQueue(object):
+    def __init__(self):
+        our_keycodes = {}
+        for key, tiname in _keynames.items():
+            keycode = curses.tigetstr(tiname)
+            if keycode:
+                our_keycodes[keycode] = unicode(key)
+        our_keycodes['\177'] = u'backspace'
+#        our_keycodes[tcgetattr(fd)[6][VERASE]] = u'backspace'
+        self.k = self.ck = keymap.compile_keymap(our_keycodes)
+        self.events = []
+        self.buf = []
+    def get(self):
+        if self.events:
+            return self.events.pop(0)
+        else:
+            return None
+    def empty(self):
+        return not self.events
+    def insert(self, event):
+        self.events.append(event)
+    def push(self, char):
+#        print "Handling char %r"%char
+#        print >>sys.stderr,"Handling char %r"%char
+        if char in self.k:
+            k = self.k[char]
+            if isinstance(k, dict):
+#                print >>sys.stderr,"In multi-key sequence chr "+char+" dict "+str(k)
+                self.buf.append(char)
+                self.k = k
+            else:
+#                print >>sys.stderr,"Finished multi-key sequence:"+str(self.buf)
+                self.events.append(Event('key', k, ''.join(self.buf) + char))
+                self.buf = []
+                self.k = self.ck
+        elif self.buf:
+#            print >>sys.stderr,"Aborted multi-key sequence %r chr %r dict %r"%(self.buf,char,self.k)
+#            print >>sys.stderr,"%r %r %r %r %r %r %r %r %r"%(char,'0',char=='0',self.k.has_key('0'),self.k.has_key(char),len(char),char[0],ord(char),ord('0'))
+        
+            self.events.extend([Event('key', c, c) for c in self.buf])
+            self.buf = []
+            self.k = self.ck
+            self.push(char)
+        else:
+            self.events.append(Event('key', char, char))