/usr/share/pyshared/pivy/quarter/devices/DeviceManager.py is in python-pivy 0.5.0~v609hg-3.
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# Copyright (c) 2002-2008 Kongsberg SIM
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR 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, DIRECT, 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.
#
"""The DeviceManager class is responsible for holding a list of
devices which can translate events such as a MouseHandler and
KeyboardHandler for translation of mouse and keyboard events,
respectively.
Custom device handlers can be registered with this class for more
functionality
"""
from PyQt4.QtCore import QEvent
from PyQt4.QtGui import QMouseEvent
from pivy.coin import SoLocation2Event
from pivy.coin import SbVec2s
#from pivy.quarter import DeviceHandler
#from pivy.quarter.QuarterWidget import QuarterWidget
#class DeviceManagerP {
#public:
# QList<DeviceHandler *> devices;
# QuarterWidget * quarterwidget;
# SbVec2s lastmousepos;
# QPoint globalpos;
#};
class DeviceManager:
def __init__(self, quarterwidget):
assert(quarterwidget)
# NOTE jkg: equalient to DeviceManagerP
self.devices = []
self.quarterwidget = quarterwidget
self.lastmousepos = SbVec2s(0, 0)
def translateEvent(self, qevent):
"""Runs trough the list of registered devices to translate event"""
if qevent.type() == QEvent.MouseMove:
self.globalpos = qevent.globalPos()
for device in self.devices:
soevent = device.translateEvent(qevent)
if soevent:
# cache mouse position so other devices can access it
if (soevent.getTypeId() == SoLocation2Event.getClassTypeId()):
self.lastmousepos = soevent.getPosition()
return soevent
return None
def getWidget(self):
"""Returns the QuarterWidget this devicemanager belongs to"""
return self.quarterwidget
def getLastGlobalPosition(self):
"""Returns the last mouse position in global coordinates"""
return self.globalpos
def getLastMousePosition(self):
"""Returns the last mouse position"""
return self.lastmousepos;
def registerDevice(self, device):
""" Register a device for event translation"""
if not device in self.devices:
device.setManager(self)
self.devices.append(device)
def unregisterDevice(self, device):
"""unregister a device"""
print "FIXME jkg: unregisterdevice not completely tested/ported"
if device in self.devices:
self.devices.removeAt(self.devices.indexOf(device))
else:
# FIXME jkg: give warning (not in original quarter)
pass
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