[mousetrap] Added some debug info

[Flavio Percoco <flaper src gnome org>]

commit 4a5df2e579da08e801dc19df55e9e2f2a1007f12
Author: flaper87 <flaper87 tartaruga localdomain>
Date:   Thu Jun 25 16:03:42 2009 +0200

    Added some debug info

 src/mousetrap/addons/recalc.py |   57 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 57 insertions(+), 0 deletions(-)
---
diff --git a/src/mousetrap/addons/recalc.py b/src/mousetrap/addons/recalc.py
new file mode 100644
index 0000000..3daf0d5
--- /dev/null
+++ b/src/mousetrap/addons/recalc.py
@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+
+# MouseTrap
+#
+# Copyright 2009 Flavio Percoco Premoli
+#
+# This file is part of mouseTrap.
+#
+# MouseTrap is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License v2 as published
+# by the Free Software Foundation.
+#
+# mouseTrap is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with mouseTrap.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import gtk, gobject
+import mousetrap.environment as env
+
+from mousetrap import debug
+from subprocess import Popen, PIPE
+from mousetrap.ui.i18n import _
+from mousetrap.addons.handler import AddonsBase
+
+a_name = "Recalc"
+a_description = "Adds a button to recalc the forehead"
+a_settings = {}
+
+class Addon(AddonsBase):
+
+    def __init__(self, controller):
+        AddonsBase.__init__(self, controller)
+
+        if self.cfg.getboolean("main", "startCam") and \
+                self.cfg.get("main", "algorithm") == "forehead":
+            self.button = gtk.Button(_("Recalc Point"))
+            self.button.connect("clicked", self.recalc)
+            self.button.show()
+            self.add_item(self.button)
+            debug.debug("addon.recalc", "Recalc Addon started")
+
+    def recalc(self, *args):
+        """
+        Unsets the forehead attribute to force
+        the point recalc.
+
+        Arguments:
+        - self: The main object pointer.
+        - args: The callback args.
+        """
+        if hasattr(self.ctr.idm.cap, "forehead"):
+            delattr(self.ctr.idm.cap, "forehead")