/**
* Look up a key press in the keymap.
* @param key the keysym
* @param mod the modifiers
* @param seq the current key sequence so far
/**
* Look up a key press in the keymap.
* @param key the keysym
* @param mod the modifiers
* @param seq the current key sequence so far
Bindings findbindings(FuncRequest const & func) const;
/// Given an action, print the keybindings.
Bindings findbindings(FuncRequest const & func) const;
/// Given an action, print the keybindings.