1 from .layout import Layout

     2 from tuikit.core.coords import Point

     3 

     4 

     5 class OffsetLayout(Layout):

     6 

     7     """Offsets widget position. Used by Viewport and ScrollView."""

     8 

     9     def __init__(self):

    10         Layout.__init__(self)

    11         self._offset = Point()

    12 

    13     @property

    14     def offset(self):

    15         """Offset of child widgets."""

    16         return self._offset

    17 

    18     def update(self):

    19         for widget in self._managed_widgets:

    20             widget.resize(*widget.sizereq)

    21             widget.pos.update(*(widget.posreq + self.offset))