class AtomSizeDialog(QDialog):
'''
Dialog for setting relative atom size
'''
def __init__(self, parent=None):
'''
Constructor
'''
QDialog.__init__(self, parent)
self.ui = Ui_AtomSizeDialog()
self.ui.setupUi(self)
self.old_dial_value = self.ui.dial.value()
self._value = self.ui.doubleSpinBox.value()
value_changed = QtCore.Signal(float)
def value(self):
return self._value
@QtCore.Slot(float)
def set_value(self, v):
if self._value == v:
return
self._value = v
self.ui.doubleSpinBox.setValue(self._value)
self.value_changed.emit(self._value)
@QtCore.Slot(int)
def on_dial_valueChanged(self, v):
diff = v - self.old_dial_value
vmax = self.ui.dial.maximum()
while diff > vmax/2.0:
diff -= vmax
while diff < -vmax/2.0:
diff += vmax
scale_factor = math.pow(2.0, diff / 100.0)
self.set_value(scale_factor * self.value())
self.old_dial_value = v
@QtCore.Slot(float)
def on_doubleSpinBox_valueChanged(self, v):
if abs(self._value - v) > 0.009:
self._value = v
self.value_changed.emit(self._value)
def __init__(self, parent=None):
'''
Constructor
'''
QDialog.__init__(self, parent)
self.ui = Ui_AtomSizeDialog()
self.ui.setupUi(self)
self.old_dial_value = self.ui.dial.value()
self._value = self.ui.doubleSpinBox.value()
