TaurusValueLineEdit

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class TaurusValueLineEdit(qt_parent=None, designMode=False)[source]

A taurus-aware QLineEdit. It will display the value (or fragment of the value) referenced by its model. It is a TaurusBaseWritableWidget and as such it does not apply the changes straight away to the model (unless autoApply is enabled), but instead shows that there are pending operations which can be applied by pressing “ENTER”.

When used with numerical value Attributes as its model, it provides some extended behaviour:

  • It represents out-of-limit values using different colours (for warning, range, invalid,…)

  • It uses a validator that is range-aware

  • The mouse wheel and keyboard arrows can be enabled for doing value increments

Note

when used with models whose value is a pint Quantity, the text is parsed by pint and therefore one can write e.g. 2 3 mm which is equivalent to 6 mm !

Import from taurus.qt.qtgui.input as:

from taurus.qt.qtgui.input import TaurusValueLineEdit
autoApply
pyqtProperty(type, fget=None, fset=None, freset=None, fdel=None, doc=None,

designable=True, scriptable=True, stored=True, user=False, constant=False, final=False, notify=None, revision=0) -> property attribute

type is the type of the property. It is either a type object or a string that is the name of a C++ type. freset is a function for resetting an attribute to its default value. designable sets the DESIGNABLE flag (the default is True for writable properties and False otherwise). scriptable sets the SCRIPTABLE flag. stored sets the STORED flag. user sets the USER flag. constant sets the CONSTANT flag. final sets the FINAL flag. notify is the NOTIFY signal. revision is the REVISION. The other parameters are the same as those required by the standard Python property type. Properties defined using pyqtProperty behave as both Python and Qt properties. Decorators can be used to define new properties or to modify existing ones.

enableWheelEvent
pyqtProperty(type, fget=None, fset=None, freset=None, fdel=None, doc=None,

designable=True, scriptable=True, stored=True, user=False, constant=False, final=False, notify=None, revision=0) -> property attribute

type is the type of the property. It is either a type object or a string that is the name of a C++ type. freset is a function for resetting an attribute to its default value. designable sets the DESIGNABLE flag (the default is True for writable properties and False otherwise). scriptable sets the SCRIPTABLE flag. stored sets the STORED flag. user sets the USER flag. constant sets the CONSTANT flag. final sets the FINAL flag. notify is the NOTIFY signal. revision is the REVISION. The other parameters are the same as those required by the standard Python property type. Properties defined using pyqtProperty behave as both Python and Qt properties. Decorators can be used to define new properties or to modify existing ones.

forcedApply
pyqtProperty(type, fget=None, fset=None, freset=None, fdel=None, doc=None,

designable=True, scriptable=True, stored=True, user=False, constant=False, final=False, notify=None, revision=0) -> property attribute

type is the type of the property. It is either a type object or a string that is the name of a C++ type. freset is a function for resetting an attribute to its default value. designable sets the DESIGNABLE flag (the default is True for writable properties and False otherwise). scriptable sets the SCRIPTABLE flag. stored sets the STORED flag. user sets the USER flag. constant sets the CONSTANT flag. final sets the FINAL flag. notify is the NOTIFY signal. revision is the REVISION. The other parameters are the same as those required by the standard Python property type. Properties defined using pyqtProperty behave as both Python and Qt properties. Decorators can be used to define new properties or to modify existing ones.

getEnableWheelEvent()[source]
classmethod getQtDesignerPluginInfo()[source]

reimplemented from TaurusBaseWidget

getSingleStep()[source]
getValue()[source]

This method must be implemented in derived classes to return the value to be written. Note that this may differ from the displayed value (e.g. for a numeric value being edited by a QLineEdit-based widget, the displayed value will be a string while getValue will return a number)

handleEvent(evt_src, evt_type, evt_value)[source]

reimplemented from TaurusBaseWidget

isTextValid()[source]

Validates current text

Returns:

Returns False if there is a validator and the current text is not Acceptable. Returns True otherwise.

Return type:

bool

keyPressEvent(evt)[source]

Key press event handler

model
pyqtProperty(type, fget=None, fset=None, freset=None, fdel=None, doc=None,

designable=True, scriptable=True, stored=True, user=False, constant=False, final=False, notify=None, revision=0) -> property attribute

type is the type of the property. It is either a type object or a string that is the name of a C++ type. freset is a function for resetting an attribute to its default value. designable sets the DESIGNABLE flag (the default is True for writable properties and False otherwise). scriptable sets the SCRIPTABLE flag. stored sets the STORED flag. user sets the USER flag. constant sets the CONSTANT flag. final sets the FINAL flag. notify is the NOTIFY signal. revision is the REVISION. The other parameters are the same as those required by the standard Python property type. Properties defined using pyqtProperty behave as both Python and Qt properties. Decorators can be used to define new properties or to modify existing ones.

notifyValueChanged(*args)[source]

reimplement to avoid autoapply on every partial edition

resetEnableWheelEvent()[source]
resetSingleStep()[source]
setEnableWheelEvent(b)[source]
setEnabled(enabled)[source]

Reimplement from QLineEdit to avoid autoenabling if the widget is explicitly disabled (but allow auto-disabling if the widget is explicitly enabled)

setSingleStep(step)[source]
setValue(v)[source]

Set the displayed text from a given value object

updateStyle()[source]

Reimplemented from TaurusBaseWritableWidget

useParentModel

(deprecated))

wheelEvent(evt)[source]

Wheel event handler