def draw(self, screen_pos):
"""
Draws a qub point in the sample video.
"""
qub_point = None
try:
qub_point, _ = QubAddDrawing(self._drawing, QubPointDrawingMgr,
QubCanvasTarget)
# patch Qub event manager not to respond to Shift key
# to prevent moving the point
evmgr_ref = qub_point._eventMgr
evmgr = evmgr_ref()
if evmgr:
for method_name in ("_mouseMove", "_mousePressed", "_mouseRelease"):
def prevent_shift(self, event, mgr=None, method_name=method_name):
if event.state() & qt.Qt.ShiftButton:
return
return getattr(QubEventMgr, method_name)(self,event,mgr)
setattr(evmgr, method_name, types.MethodType(prevent_shift, evmgr))
qub_point.show()
if screen_pos:
qub_point.setPoint(screen_pos[0], screen_pos[1])
qub_point.setColor(NORMAL_COLOR)
except:
logging.getLogger('HWR').\
exception('Could not draw the centred position')
return qub_point
def draw(self, screen_pos):
"""
Draws a qub point in the sample video.
"""
qub_point = None
try:
qub_point, _ = QubAddDrawing(self._drawing, QubPointDrawingMgr,
QubCanvasTarget)
# patch Qub event manager not to respond to Shift key
# to prevent moving the point
evmgr_ref = qub_point._eventMgr
evmgr = evmgr_ref()
if evmgr:
for method_name in ("_mouseMove", "_mousePressed", "_mouseRelease"):
def prevent_shift(self, event, mgr=None, method_name=method_name):
if event.state() & qt.Qt.ShiftButton:
return
return getattr(QubEventMgr, method_name)(self,event,mgr)
setattr(evmgr, method_name, types.MethodType(prevent_shift, evmgr))
qub_point.show()
if screen_pos:
qub_point.setPoint(screen_pos[0], screen_pos[1])
qub_point.setColor(NORMAL_COLOR)
except:
logging.getLogger('HWR').\
exception('Could not draw the centred position')
return qub_point
def new_position(self, point):
point = self.diffractometer.motor_positions_to_screen(point)
draw_point, _ = QubAddDrawing(self.__drawing, QubPointDrawingMgr, QubCanvasTarget)
draw_point.show()
draw_point.setPoint(point[0], point[1])
draw_point.setColor(Qt.yellow)
self.points.append(draw_point)
self.centred_positions[draw_point] = self.diffractometer.getPositions()
def new_position(self, point):
point = self.diffractometer.motor_positions_to_screen(point)
draw_point, _ = QubAddDrawing(self.__drawing, QubPointDrawingMgr,
QubCanvasTarget)
draw_point.show()
draw_point.setPoint(point[0], point[1])
draw_point.setColor(Qt.yellow)
self.points.append(draw_point)
self.centred_positions[draw_point] = self.diffractometer.getPositions()
