private void handleKey(final KeyEvent e) { int modifiers = e.getModifiers(); if (modifiers == myStoredModifiers) { return; } BrowseMode browseMode = getBrowseMode(modifiers); if (browseMode != BrowseMode.None) { if (myTooltipProvider != null) { if (browseMode != myTooltipProvider.getBrowseMode()) { disposeHighlighter(); } myStoredModifiers = modifiers; myTooltipProvider.execute(browseMode); } } else { disposeHighlighter(); myTooltipProvider = null; } }