def setupUi(self, parent):
self.resize(275, 172)
self.setWindowTitle('Convert units')
self.layout = QVBoxLayout(parent)
self.layout.setSizeConstraint(QLayout.SetFixedSize)
align = (Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter)
self.layout1 = QHBoxLayout()
self.label1 = QLabel()
self.label1.setMinimumSize(QSize(100, 0))
self.label1.setText('Convert from:')
self.label1.setAlignment(align)
self.layout1.addWidget(self.label1)
self.source_units = QLineEdit()
self.source_units.setReadOnly(True)
self.layout1.addWidget(self.source_units)
self.layout.addLayout(self.layout1)
self.layout2 = QHBoxLayout()
self.label2 = QLabel()
self.label2.setMinimumSize(QSize(100, 0))
self.label2.setText('to:')
self.label2.setAlignment(align)
self.layout2.addWidget(self.label2)
self.destination_units = QLineEdit()
self.layout2.addWidget(self.destination_units)
self.layout.addLayout(self.layout2)
self.message = QLabel()
self.message.setText('')
self.message.setAlignment(Qt.AlignCenter)
self.layout.addWidget(self.message)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Ok)
self.layout.addWidget(self.buttonBox)
self.buttonBox.setEnabled(False)
self.buttonBox.accepted.connect(self.accept)
self.destination_units.textChanged.connect(self.check)
self.setLayout(self.layout)
self.destination_units.setFocus()
def __init__(self,
argspec,
parent=None,
window_title='Function arguments',
doc=None):
super().__init__(parent)
vlayout = QVBoxLayout(self)
layout = QFormLayout()
widgets = []
defaults = argspec.defaults if argspec.defaults else ()
defaults = ('', ) * (len(argspec.args[1:]) - len(defaults)) + defaults
self.arguments = {}
for arg, default in zip(argspec.args[1:], defaults):
wid = QLineEdit(self)
wid.setObjectName(arg)
wid.setText(json.dumps(default))
self.arguments[arg] = default
layout.addRow(arg, wid)
widgets.append(wid)
wid.textChanged.connect(self.on_widget_change(wid))
if doc and arg in doc:
wid.setToolTip(doc[arg])
self.widgets = widgets
buttonBox = QDialogButtonBox()
buttonBox.setOrientation(Qt.Horizontal)
buttonBox.setStandardButtons(QDialogButtonBox.Ok)
buttonBox.setEnabled(True)
buttonBox.accepted.connect(self.accept)
vlayout.addLayout(layout)
label = QLabel()
label.setText('Values are decoded from text using as JSON.')
vlayout.addWidget(label)
vlayout.addWidget(buttonBox)
self.buttonBox = buttonBox
self.valid = {wid.objectName(): True for wid in self.widgets}
self.setWindowTitle(window_title)
def setupUi(self, parent):
self.resize(275, 172)
self.setWindowTitle('Convert units')
self.layout = QVBoxLayout(parent)
self.layout.setSizeConstraint(QLayout.SetFixedSize)
align = (Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter)
self.layout1 = QHBoxLayout()
self.label1 = QLabel()
self.label1.setMinimumSize(QSize(100, 0))
self.label1.setText('Convert from:')
self.label1.setAlignment(align)
self.layout1.addWidget(self.label1)
self.source_units = QLineEdit()
self.source_units.setReadOnly(True)
self.layout1.addWidget(self.source_units)
self.layout.addLayout(self.layout1)
self.layout2 = QHBoxLayout()
self.label2 = QLabel()
self.label2.setMinimumSize(QSize(100, 0))
self.label2.setText('to:')
self.label2.setAlignment(align)
self.layout2.addWidget(self.label2)
self.destination_units = QLineEdit()
self.layout2.addWidget(self.destination_units)
self.layout.addLayout(self.layout2)
self.message = QLabel()
self.message.setText('')
self.message.setAlignment(Qt.AlignCenter)
self.layout.addWidget(self.message)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Ok)
self.layout.addWidget(self.buttonBox)
self.buttonBox.setEnabled(False)
self.buttonBox.accepted.connect(self.accept)
self.destination_units.textChanged.connect(self.check)
self.setLayout(self.layout)
self.destination_units.setFocus()
def __init__(self, argspec, parent=None, window_title='Function arguments', doc=None):
super().__init__(parent)
vlayout = QVBoxLayout(self)
layout = QFormLayout()
widgets = []
defaults = argspec.defaults if argspec.defaults else ()
defaults = ('', ) * (len(argspec.args[1:]) - len(defaults)) + defaults
self.arguments = {}
for arg, default in zip(argspec.args[1:], defaults):
wid = QLineEdit(self)
wid.setObjectName(arg)
wid.setText(json.dumps(default))
self.arguments[arg] = default
layout.addRow(arg, wid)
widgets.append(wid)
wid.textChanged.connect(self.on_widget_change(wid))
if doc and arg in doc:
wid.setToolTip(doc[arg])
self.widgets = widgets
buttonBox = QDialogButtonBox()
buttonBox.setOrientation(Qt.Horizontal)
buttonBox.setStandardButtons(QDialogButtonBox.Ok)
buttonBox.setEnabled(True)
buttonBox.accepted.connect(self.accept)
vlayout.addLayout(layout)
label = QLabel()
label.setText('Values are decoded from text using as JSON.')
vlayout.addWidget(label)
vlayout.addWidget(buttonBox)
self.buttonBox = buttonBox
self.valid = {wid.objectName(): True for wid in self.widgets}
self.setWindowTitle(window_title)
class UnitInputDialog(QDialog):
"""Dialog to select new units. Checks compatibility while typing
and does not allow to continue if incompatible.
Returns None if cancelled.
:param units: current units.
:param parent: parent widget.
>>> new_units = UnitInputDialog.get_units('ms')
"""
def __init__(self, units, parent=None):
super().__init__(parent)
self.setupUi(parent)
self.units = units
self.source_units.setText(str(units))
def setupUi(self, parent):
self.resize(275, 172)
self.setWindowTitle('Convert units')
self.layout = QVBoxLayout(parent)
self.layout.setSizeConstraint(QLayout.SetFixedSize)
align = (Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter)
self.layout1 = QHBoxLayout()
self.label1 = QLabel()
self.label1.setMinimumSize(QSize(100, 0))
self.label1.setText('Convert from:')
self.label1.setAlignment(align)
self.layout1.addWidget(self.label1)
self.source_units = QLineEdit()
self.source_units.setReadOnly(True)
self.layout1.addWidget(self.source_units)
self.layout.addLayout(self.layout1)
self.layout2 = QHBoxLayout()
self.label2 = QLabel()
self.label2.setMinimumSize(QSize(100, 0))
self.label2.setText('to:')
self.label2.setAlignment(align)
self.layout2.addWidget(self.label2)
self.destination_units = QLineEdit()
self.layout2.addWidget(self.destination_units)
self.layout.addLayout(self.layout2)
self.message = QLabel()
self.message.setText('')
self.message.setAlignment(Qt.AlignCenter)
self.layout.addWidget(self.message)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Ok)
self.layout.addWidget(self.buttonBox)
self.buttonBox.setEnabled(False)
self.buttonBox.accepted.connect(self.accept)
self.destination_units.textChanged.connect(self.check)
self.setLayout(self.layout)
self.destination_units.setFocus()
def check(self):
units = self.destination_units.text().strip()
if not units:
return
try:
new_units = Q_(1, units)
factor = self.units.to(new_units).magnitude
except LookupError or SyntaxError:
self.message.setText('Cannot parse units')
self.buttonBox.setEnabled(False)
except ValueError:
self.message.setText('Incompatible units')
self.buttonBox.setEnabled(False)
else:
self.message.setText('factor {:f}'.format(factor))
self.buttonBox.setEnabled(True)
@staticmethod
def get_units(units):
"""Creates and display a UnitInputDialog and return new units.
Return None if the user cancelled.
"""
dialog = UnitInputDialog(Q_(1, units.units))
if dialog.exec_():
return dialog.destination_units.text()
return None
class UnitInputDialog(QDialog):
"""Dialog to select new units. Checks compatibility while typing
and does not allow to continue if incompatible.
Returns None if cancelled.
:param units: current units.
:param parent: parent widget.
>>> new_units = UnitInputDialog.get_units('ms')
"""
def __init__(self, units, parent=None):
super().__init__(parent)
self.setupUi(parent)
self.units = units
self.source_units.setText(str(units))
def setupUi(self, parent):
self.resize(275, 172)
self.setWindowTitle('Convert units')
self.layout = QVBoxLayout(parent)
self.layout.setSizeConstraint(QLayout.SetFixedSize)
align = (Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter)
self.layout1 = QHBoxLayout()
self.label1 = QLabel()
self.label1.setMinimumSize(QSize(100, 0))
self.label1.setText('Convert from:')
self.label1.setAlignment(align)
self.layout1.addWidget(self.label1)
self.source_units = QLineEdit()
self.source_units.setReadOnly(True)
self.layout1.addWidget(self.source_units)
self.layout.addLayout(self.layout1)
self.layout2 = QHBoxLayout()
self.label2 = QLabel()
self.label2.setMinimumSize(QSize(100, 0))
self.label2.setText('to:')
self.label2.setAlignment(align)
self.layout2.addWidget(self.label2)
self.destination_units = QLineEdit()
self.layout2.addWidget(self.destination_units)
self.layout.addLayout(self.layout2)
self.message = QLabel()
self.message.setText('')
self.message.setAlignment(Qt.AlignCenter)
self.layout.addWidget(self.message)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.setStandardButtons(QDialogButtonBox.Ok)
self.layout.addWidget(self.buttonBox)
self.buttonBox.setEnabled(False)
self.buttonBox.accepted.connect(self.accept)
self.destination_units.textChanged.connect(self.check)
self.setLayout(self.layout)
self.destination_units.setFocus()
def check(self):
units = self.destination_units.text().strip()
if not units:
return
try:
new_units = Q_(1, units)
factor = self.units.to(new_units).magnitude
except LookupError or SyntaxError:
self.message.setText('Cannot parse units')
self.buttonBox.setEnabled(False)
except ValueError:
self.message.setText('Incompatible units')
self.buttonBox.setEnabled(False)
else:
self.message.setText('factor {:f}'.format(factor))
self.buttonBox.setEnabled(True)
@staticmethod
def get_units(units):
"""Creates and display a UnitInputDialog and return new units.
Return None if the user cancelled.
"""
dialog = UnitInputDialog(Q_(1, units.units))
if dialog.exec_():
return dialog.destination_units.text()
return None
