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.
Tuikit documentation
====================
| ``╒══════╤════╤════╕``
| ``│ ├ ╷╷ ╷ │/ ╷ ├ │``
| ``│ ╰╴╰┘ ╰ ╵╰ ╰ ╰╴ │``
| ``╰────────────────╯``
Contents:
.. toctree::
:maxdepth: 3
application
emitter
events
redraw
colors
driver