Source code for pyface.i_layout_item

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from traits.api import Enum, Int, Interface, Tuple

#: Value that indicates the default size values should be used.
DEFAULT_SIZE = -1

#: Trait for sizes of widgets.
Size = Tuple(Int(DEFAULT_SIZE), Int(DEFAULT_SIZE))

#: Trait for size policy values.
SizePolicy = Enum("default", "fixed", "preferred", "expand")


[docs]class ILayoutItem(Interface): """ An item that can participate in layout. """ #: The minimum size that the item can take. minimum_size = Size #: The maximum size that the item can take. maximum_size = Size #: Weight factor used to distribute extra space between widgets. stretch = Tuple(Int, Int) #: How the item should behave when more space is available. size_policy = Tuple(SizePolicy, SizePolicy)