def eventFilter(self, object, event):
if not object.isWidgetType():
return False;
eventType = event.type()
if eventType != QtCore.QEvent.MouseButtonPress and \
eventType != QtCore.QEvent.MouseButtonRelease and \
eventType != QtCore.QEvent.MouseMove:
return False
if event.modifiers() != Qt.NoModifier:
return False
if not self.d.flickData.has_key(object):
return False
data = self.d.flickData[object]
found, newIgnored = removeAll(data.ignored, event)
if found:
data.ignored = newIgnored
return False
consumed = False
if data.state == FlickData.Steady:
if eventType == QtCore.QEvent.MouseButtonPress:
if event.buttons() == Qt.LeftButton:
consumed = True
data.state = FlickData.Pressed
data.pressPos = copy.copy(event.pos())
data.offset = scrollOffset(data.widget)
elif data.state == FlickData.Pressed:
if eventType == QtCore.QEvent.MouseButtonRelease:
consumed = True
data.state = FlickData.Steady
event1 = QtCore.QMouseEvent(QtCore.QEvent.MouseButtonPress,
data.pressPos, Qt.LeftButton,
Qt.LeftButton, Qt.NoModifier)
event2 = QtCore.QMouseEvent(event)
data.ignored.append(event1)
data.ignored.append(event2)
QtGui.QApplication.postEvent(object, event1)
QtGui.QApplication.postEvent(object, event2)
elif eventType == QtCore.QEvent.MouseMove:
consumed = True
data.state = FlickData.ManualScroll
data.dragPos = QtGui.QCursor.pos()
if not self.d.ticker.isActive():
self.d.ticker.start(20, self)
elif data.state == FlickData.ManualScroll:
if eventType == QtCore.QEvent.MouseMove:
consumed = True
pos = event.pos()
delta = pos - data.pressPos
setScrollOffset(data.widget, data.offset - delta)
elif eventType == QtCore.QEvent.MouseButtonRelease:
consumed = True
data.state = FlickData.AutoScroll
elif data.state == FlickData.AutoScroll:
if eventType == QtCore.QEvent.MouseButtonPress:
consumed = True
data.state = FlickData.Stop
data.speed = QtCore.QPoint(0, 0)
elif eventType == QtCore.QEvent.MouseButtonRelease:
consumed = True
data.state = FlickData.Steady
data.speed = QtCore.QPoint(0, 0)
elif data.state == FlickData.Stop:
if eventType == QtCore.QEvent.MouseButtonRelease:
consumed = True
data.state = FlickData.Steady
elif eventType == QtCore.QEvent.MouseMove:
consumed = True
data.state = FlickData.ManualScroll
data.dragPos = QtGui.QCursor.pos()
if not self.d.ticker.isActive():
self.d.ticker.start(20, self)
return consumed
