make app get os focus
Simple multi tab viewer of trees
Simple multi tab viewer of trees
Simple test of node transformer
Test we can get a transformer
Struggling with menu selector
setup for moving search box around
Make a list of transformers, go or double click will run that transformer
eaiser to get current ast from tabs
Simplify to single column in AST view
Search box works in current visible tree
can't get Icon.fromTheme to do anything
Start context menu for transformers
refactor to create headless model and controller classes