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# Orca
#
# Copyright 2004-2008 Sun Microsystems Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., Franklin Street, Fifth Floor,
# Boston MA 02110-1301 USA.
""" Custom script for gnome-panel
"""
__id__ = "$Id$"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2005-2008 Sun Microsystems Inc."
__license__ = "LGPL"
import orca.default as default
import orca.debug as debug
import orca.braille as braille
import orca.speech as speech
import pyatspi
########################################################################
# #
# The gnome-panel script class. #
# #
########################################################################
class Script(default.Script):
def __init__(self, app):
"""Creates a new script for gnome-panel
Arguments:
- app: the application to create a script for.
"""
# Set the debug level for all the methods in this script.
#
self.debugLevel = debug.LEVEL_FINEST
self._debug("__init__")
default.Script.__init__(self, app)
def _debug(self, msg):
""" Convenience method for printing debug messages
"""
debug.println(self.debugLevel, "gnome-panel.py: "+msg)
def getListeners(self):
"""Sets up the AT-SPI event listeners for this script.
"""
listeners = default.Script.getListeners(self)
listeners["object:state-changed:focused"] = \
self.onStateChanged
listeners["object:state-changed:showing"] = \
self.onStateChanged
return listeners
def onStateChanged(self, event):
"""Called whenever an object's state changes.
Arguments:
- event: the Event
"""
obj = event.source
self._debug("onStateChanged: '%s' %s (%d, %d)" % \
(obj.name, event.type, event.detail1, event.detail2))
# Handle tooltip popups.
#
if obj.getRole() == pyatspi.ROLE_TOOL_TIP:
if event.type.startswith("object:state-changed:showing") and \
event.detail1 == 1:
braille.displayMessage(obj.name)
utterances = self.speechGenerator.generateSpeech(obj)
speech.speak(utterances)
# If focus moves to something within a panel and focus was not
# already in the containing panel, the panel will issue its
# own state-changed:focused event with detail1 == 1 after the
# event for the item with focus. The panel is not focused,
# plus the extraneous event results in unnecessary chattiness
# and updates the braille display to "panel."
#
elif obj.getRole() == pyatspi.ROLE_PANEL and \
event.type.startswith("object:state-changed:focused") and \
event.detail1 == 1 and not \
event.source.getState().contains(pyatspi.STATE_FOCUSED):
return
else:
default.Script.onStateChanged(self, event)
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