# `TaurusLauncherButton`

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class TaurusLauncherButton(parent=None, designMode=False, widget=None, icon=None, text=None)

  This class provides a button that launches a modeless dialog containing a specified Taurus widget which gets the same model as the button. The button does not use the model directly. Instead it passes it to the associated widget.

  Code examples:

      # a button that launches a TaurusAttrForm when clicked
      b = TaurusLauncherButton(widget = TaurusAttrForm())
      # set dev name, which will be set at the TaurusAttrForm when clicking
      b.setModel("a/b/c")

      # a button that launches a taurusLabel
      b = TaurusLauncherButton(widget="taurus.qt.qtgui.display:TaurusLabel")
      b.setModel("a/b/c/d")

      # a button that launches a TaurusPlot
      b = TaurusLauncherButton(widget="taurus_pyqtgraph:TaurusPlot")
      b.setModel("eval:rand(50)")

  Import from `taurus.qt.qtgui.button` as:

      from taurus.qt.qtgui.button import TaurusLauncherButton

  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.

  UseParentModel

    (deprecated))

  createWidget()
  displayValue(v)

    see `TaurusBaseComponent.displayValue()`

  getDisplayValue(**kwargs)

    see `TaurusBaseComponent.getDisplayValue()`

  getModelClass(**kwargs)

    see `TaurusBaseComponent.getModelClass()`. Note that in the case of `TaurusLauncherButton`, the class is completely dependent on the widget’s class

  classmethod getQtDesignerPluginInfo()

    Returns pertinent information in order to be able to build a valid QtDesigner widget plugin.

    The dictionary returned by this method should contain at least the following keys and values:

    - ‘module’ : a string representing the full python module name (ex.: ‘taurus.qt.qtgui.base’)

    - ‘icon’ : a string representing valid resource icon (ex.: ‘designer:combobox.png’)

    - ‘container’a bool telling if this widget is a container widget or

        not.

    This default implementation returns the following dictionary:

        { 'group'     : 'Taurus [Unclassified]',
          'icon'      : 'logos:taurus.png',
          'container' : False }

    Returns:

      a map with pertinent designer information

    Return type:

      dict

  getWidgetClassName()
  onClicked()

    Slot called when the button is clicked. Note that the dialog will only be created once. Subsequent clicks on the button will only raise the existing dialog

  resetWidgetClassName(className, args=None, kwargs=None)
  setText(text)

    Sets the text of the button. see `Qt.QPushButton.setText()`

  setWidget(widget)

    sets the widget that will be shown when clicking the button

    Parameters:

      widget (Qt.QWidget)

  setWidgetClassName(className, args=None, kwargs=None)
  widget()
  widgetClassName
    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.