guion 0.2.0-dev2

flexible GUI framework
Documentation 
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# Focus Handler

Focus Handler is a struct between event/render source and context.

The struct contains the id of the current widget.

# Hover Tracker

like Focus Handler the struct holds the hovered widget id.

It's responsible for generating MouseEnter and MouseLeave events.

On every mouse move passed through it checks
- if the position left the bound of the previous hovered 
- if it hovers a new sub widget of the previous