Rework layouts: Layout is now normal Container which places its children upon resize event.
Drop TopWindow, top is now any subclass of Container.
Add floater concept: floaters are widgets drawn over normal widgets, not clipped by parent.
Add HScrollbar and Scrollbar abstract base class.
Widget
======
.. toctree::
:maxdepth: 3
:titlesonly:
container
button
treeview
tableview
.. autoclass:: tuikit.widget.Widget
:members:
:show-inheritance:
.. attribute:: x
y
Position inside parent widget. Modified by layout manager.
.. attribute:: width
height
Actual size. Modified by layout manager.