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During discussions in Bug 377508 I just now learned about some options for filtering search like 'Inexact Type Arguments'. Firstly, I never noticed this option because much of my time working with Eclipse the code is Java 1.4 and thus the option isn't offered. -> had the option been shown but greyed out I might have seen and remembered, but by not showing this option I was "convinced" it didn't exist at all. Looking into help I only found one mentioning of this option under Java development user guide > Eclipse and J2SE 5.0 and scroll down several pages. Since the case of migrating to J2SE 5.0 is becoming rare now, I think this feature should be explained in a more canonical place like under Reference > Search Next this filter seems to be unavailable in the call hierarchy, where it would add much value actually. Another option for better advertising such options would be from the search dialog. It has so many things to chose from, one may get the impression that this is all you can do for searching - thus missing the opportunity to add filters after the fact in the search result view.
Good point, I'll add some doc for this to ref-dialog-java-search.htm. Bug 369379 is for adding these filters to the Call Hierarchy. The Java Search tab is already overwhelming, so I wouldn't add more text there. But the the Search view already has a description label on top that says "(Filtered)" or "(* matches filtered from view)". We could also add "(Unfiltered)" in case all filters are disabled and then turn this into a link that opens the Search Filters dialog. Keeping this bug for that.
(In reply to comment #1) > The Java Search tab is already overwhelming, so I wouldn't add more text there. I agree on the "overwhelming" part, but maybe the "Limit To" group could still host a link to another popup selection for filters? At least this is where I searched in the first place. On the long run I could think of three groups in a vertical layout: Search For: Constraints: as a tab folder with 2 tabs: Limit To: and Filtering: perhaps even 3 tabs if fine grained locations should be promoted from popup to their own space Where: as a tab folder with 2 tabs: Search In: and Scope: But maybe nested tab folders is a bit too wild :-}
