add app_utils for motion_assert, contextMenu og GraphItem, further fixes

epics_widgets/MotorTweak.py

@@ -10,7 +10,7 @@ from PyQt5.uic import loadUiType
 from epics import Motor
 from epics.ca import pend_event
 
-from app_utils import DeltatauMotorStatus, assert_motor_positions
+from app_utils import assert_motor_positions
 
 Ui_MotorTweak, QWidget = loadUiType('epics_widgets/MotorTweak.ui')
 SPMG_STOP = 0
@@ -138,12 +138,6 @@ class MotorTweak(QWidget, Ui_MotorTweak):
       self._val=v=m.get('VAL')
     return v
 
-  def is_homed(self):
-    m=self._motor
-    m.refresh()
-    status = DeltatauMotorStatus(m.motor_status)
-    return bool(DeltatauMotorStatus.MOTOR_HAS_BEEN_HOMED & status)
-
   def move_abs(self, drive=None, wait=False, assert_position=False):
     if drive is None:
       drive = float(self._drive_val.text())