def _setupStartButton(self):
"""Set up "Start/Stop" - button."""
self.startStopBtn = QPushButton()
self.startStopBtn.setCheckable(True)
self.startStopBtn.clicked[bool].connect(self.onStartStopClick)
btnLayout = QHBoxLayout()
btnLayout.setContentsMargins(0, 0, 0, 0)
self.startStopBtn.setSizePolicy(QSizePolicy.Maximum,
QSizePolicy.Maximum)
btnLayout.addWidget(self.startStopBtn)
btnWidget = QWidget(self)
btnWidget.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Maximum)
btnWidget.setLayout(btnLayout)
return btnWidget
def makeSetting(self, param, activeBtns=False):
"""Creates an input widget for the provided Parameter and configures
it appropriately.
"""
if param is None:
return None
widget = QWidget(self)
layout = QHBoxLayout(widget)
layout.setContentsMargins(0, 0, 0, 0)
layout.addStretch()
try:
suffix = param.suffix()
except AttributeError:
suffix = None
if suffix is None:
layout.addWidget(self._makeLabel(param.displayName()))
else:
layout.addWidget(
self._makeLabel(u"{} ({})".format(param.displayName(),
suffix)))
widget.setLayout(layout)
if isString(param.__doc__):
# word wrapping by rich text: https://stackoverflow.com/a/4796057
txt = "<span>{0}</span>".format(param.__doc__)
# add description as tooltip if available for parameter
widget.setToolTip(txt)
# create scalar value input widget with min/max limits
minmaxValue, widgets = None, []
if isinstance(param, ParameterNumerical):
minmaxValue = param.min(), param.max()
if isinstance(param, ParameterFloat):
minmaxValue = param.displayValueRange()
decimals = None
if hasattr(param, "decimals"):
decimals = param.decimals()
w = self._makeEntry(param.name(),
param.dtype,
param.displayValue(),
decimals=decimals,
minmax=minmaxValue,
parent=widget)
try: # set special value text for lower bound, simple solution
special = param.displayValues(w.minimum())
w.setSpecialValueText(special)
except:
pass
w.setFixedWidth(FIXEDWIDTH)
widgets.insert(old_div(len(widgets), 2), w)
# Special widget settings for active fitting parameters:
activeBtns = activeBtns and isinstance(param, FitParameterBase)
if activeBtns:
# create input boxes for user specified active fitting range
# within default upper/lower from class definition
# minmaxValue = type(param).min(), type(param).max()
activeRange = {
"min": param.displayActiveRange()[0],
"max": param.displayActiveRange()[1]
}
for bound in "min", "max":
w = self._makeEntry(param.name() + bound,
param.dtype,
activeRange[bound],
decimals=decimals,
minmax=minmaxValue,
parent=widget)
w.setPrefix(bound + ": ")
w.setFixedWidth(FIXEDWIDTH)
widgets.append(w)
# create *active* buttons for FitParameters only
w = self._makeEntry(param.name() + "active",
bool,
param.isActive(),
widgetType=QPushButton,
parent=widget)
w.setText("Active")
w.setFixedWidth(FIXEDWIDTH * .5)
widgets.append(w)
# add input widgets to the layout
for w in widgets:
layout.addWidget(w)
# store the parameter name
w.parameterName = param.name()
# configure UI accordingly (hide/show widgets)
# no backend update, ui was just built, data is still in sync
self.updateParam(param, emitBackendUpdated=False)
return widget