check global mouse status before opening tooltip, e.g. relevant when the mouse has moved outside the window and mouse events are no longer seen by this component;

dismiss all popups on mouse drags, e.g. to avoid conflict of C-hover of Isabelle/jEdit and C-selection of jEdit;

tuned proofs

minimized imports

merged

tuned rendering -- change mouse pointer for active areas;

propagate deps_changed, to resolve missing files without requiring jEdit events (e.g. buffer load/save); tuned signature;

tuned signature;

tuned signature;

tuned -- see Text.Range.overlaps(Range);