def create_param_property(attr_name: str, validate_value: bool = True, update_widget: bool = True, doc: str = None) -> property

Creates property for parameter specified in [_param_schema]

Parameters:

• attr_name: str — name of parameter specified in _param_schema
• validate_value: bool — do value validation after property setting
• update_widget: bool — update widget after property setting
• doc: str — docstring of property

Returns:

• property — property for read/write a parameter

Inherits: QWidget

Provides wrapper for child widget, adds reset button on the left side.

Attributes:

• reset_requested: Signal — Occurs if reset button has been clicked

Constructor:

def Resetter.__init__(widget: QWidget, property: Optional[Property] = None)

Creates an instance of wrapper for child widget.

Creates reset button on the right side of property widget, it's hidden by default. Set reference to widget owner to use update_reset_btn_visibility() method.

Parameters:

• widget: QWidget — original child widget
• property: Optional[Property] — reference to widget owner

@property
def child_widget() -> QWidget

Returns child widget

Returns:

• QWidget — reference to child widget

def set_reset_btn_visibility(visibility: bool)

Sets reset button visibility

Parameters:

• visibility: bool — set visibility to the reset button True: show reset button False: hide reset button

def update_reset_btn_visibility()

Updates reset button visibility

Compares default value and value of property and sets reset button visible if they are not equal and invisible otherwise. Takes into account state of show_reset_btn flag. Following properties must be included into widget owner: value, default_value, show_reset_btn

Raises:

• AttributeError — if widget owner is not specified.