Originally Posted by Mono
Booxstor, I think that the best would be to implement (user selectable) smart dynamical toolbar (in addition to current toolbars), if Qt library allows that. There would be last 4-5 tools used (in order of usage frequency). It is easy to implement (if Qt allows using dynamical toolbar - changing the icons and actions assigned to them).
And if you add toolbar change freeze/unfreeze (and push/statistic button order) as bonus every need is satisfied.