[okular] [Bug 428224] Display the number of occurrences of the search term

[Clarc]

https://bugs.kde.org/show_bug.cgi?id=428224

--- Comment #3 from Clarc <f.thaler at posteo.net> ---
(In reply to Albert Astals Cid from comment #1)
> To do this you need to search the whole document, which in 2000 pages
> documents takes a while, if we do this you will complain that search is
> suddently slow for no reason when the word you were seraching is just there
> in the first page

1. You wouldn't have to search them all before displaying the results. It could
simply be counting upwards while finding new results. If you look at other
pdf-viewers, they do the same thing and it doesn't noticably change the speed.

2. Now that we know that this doesn't slow down, I have to agree: This feature
probably is useless, if you try to find a very common word ("the") in a
200-Page document.
However:
a. As we have established, it doesn't noticeably slow down the searching
process, thus it doesn't do any harm.
b. It really helps when searching somewhat common / uncommon words, no matter
the document size. Which is why it should be included.

(In reply to Nate Graham from comment #2)
> Yeah. I guess it could lazily populate that number only after the search has
> completed.
I'm not sure what you mean by that.

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