General short cut keys
ctrl w Close top most window
ctrl+shift w Close all windows
ctrl tab next window
ctrl shift tab previous window
enter (in the tree) open the current tree selection in a table
ctrl p hide / show the selection preview
Table short cut keys
delete key delete the contents of the current table cell and start editing
Esc Cancel editing the current cell
ctrl enter or ctrl space (when initiating a table cell edit via the keyboard) to edit a table cell in a long field editor
ctrl mouse click (when initiating a table cell edit via the mouse) to edit a table cell in a long field editor
Tree short cut keys
delete key delete the selected node in the tree