def post(self, rw, image):
e = Qt.QEvent(self.NEW_IMAGE_EVENT)
e.rw = rw
e.image = image
Qt.QCoreApplication.postEvent(self, e)
def post_new_image_event(self):
# posting an event does not require calling thread to have an event loop,
# unlike sending a signal
if not self.servicing_image and not self.closing and self.isVisible():
Qt.QCoreApplication.postEvent(self,
Qt.QEvent(self.NEW_IMAGE_EVENT))
def eventFilter(self, object, event):
if event.type() == Qt.QEvent.FocusIn:
self.__showCursor(True)
if event.type() == Qt.QEvent.FocusOut:
self.__showCursor(False)
if event.type() == Qt.QEvent.Paint:
Qt.QApplication.postEvent(self, Qt.QEvent(Qt.QEvent.User))
elif event.type() == Qt.QEvent.MouseButtonPress:
if self.enableZeroadd or self.enablePoleadd:
self.__drawAddedzero_pole(True, event.pos())
else:
self.__select(event.pos())
return True
elif event.type() == Qt.QEvent.MouseMove:
curve = self.__selectedCurve
if curve:
tp = (self.__plot.invTransform(curve.xAxis(),
event.pos().x()),
self.__plot.invTransform(curve.xAxis(),
event.pos().y()))
self.mouseposChanged.emit(tp)
self.__move(event.pos())
return True
if event.type() == Qt.QEvent.KeyPress:
delta = 5
key = event.key()
if key == Qt.Qt.Key_Up:
self.__shiftCurveCursor(True)
return True
elif key == Qt.Qt.Key_Down:
self.__shiftCurveCursor(False)
return True
elif key == Qt.Qt.Key_Right or key == Qt.Qt.Key_Plus:
if self.__selectedCurve:
self.__shiftPointCursor(True)
else:
self.__shiftCurveCursor(True)
return True
elif key == Qt.Qt.Key_Left or key == Qt.Qt.Key_Minus:
if self.__selectedCurve:
self.__shiftPointCursor(False)
else:
self.__shiftCurveCursor(True)
return True
if key == Qt.Qt.Key_1:
self.__moveBy(-delta, delta)
elif key == Qt.Qt.Key_2:
self.__moveBy(0, delta)
elif key == Qt.Qt.Key_3:
self.__moveBy(delta, delta)
elif key == Qt.Qt.Key_4:
self.__moveBy(-delta, 0)
elif key == Qt.Qt.Key_6:
self.__moveBy(delta, 0)
elif key == Qt.Qt.Key_7:
self.__moveBy(-delta, -delta)
elif key == Qt.Qt.Key_8:
self.__moveBy(0, -delta)
elif key == Qt.Qt.Key_9:
self.__moveBy(delta, -delta)
return Qwt.QwtPlot.eventFilter(self, object, event)
def post_live_update(self):
# posting an event does not require calling thread to have an event loop,
# unlike sending a signal
Qt.QCoreApplication.postEvent(self, Qt.QEvent(self.RW_LIVE_STREAM_BINDING_LIVE_UPDATE_EVENT))
def mousePressEvent(self, event):
if event.button() == QtCore.Qt.LeftButton:
self.dragPosition = event.globalPos() - self.frameGeometry().topLeft()
QtWidgets.QApplication.postEvent(self, Qt.QEvent(174))
event.accept()
