Mouse wheel scroll very slow

Bug #152784 reported by Kostas Chatzikokolakis
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This bug affects 1 person
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vim (Ubuntu)
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Bug Description

Binary package hint: vim-gnome

In the gtk gui of vim you can scroll the window using the mouse wheel. Scrolling is fast and smooth. However, if you open the "open file" window and then close it (even without selecting anything) then scrolling becomes much slower, to a degree that it's irritating.

I'm using the latest gutsy beta. vim-gnome version is 1:7.1-056+2ubuntu2.

Steps to reproduce the problem
- execute gvim
- write a big chunk of text (eg write a line and then press "yy" and "100p")
- scroll with the mouse wheel. it's fast and smooth
- open the "edit file" window by selecting "file/open..." from the menu or give the ":browse e" command
- press cancel to close the window
- scroll again. now it's much slower.

The problem is always reproducable. I use an empty .vimrc.

The same bug is also reproducable with vim-gtk.

Revision history for this message
Kostas Chatzikokolakis (kostas-chatzi) wrote :

I just want to add that this is *not* specific to mouse wheel scroll. Scrolling with the keyboard has the same effect and in general vim's response is much slower after opening the "file/open" window.

Also, the same thing happens with the "save as" window, but *not* with all gtk windows (for example the "find" or "select font" windows don't have this problem).

Revision history for this message
Guido Mureddu (malcolm81) wrote :

I can confirm this bug, I haven't found any solution to it. At least, thanks to this thread, I've noticed it only happens after using the Open File dialog window. Not only scrolling, but all caret movement becomes really slow.

Revision history for this message
Guido Berhoerster (gber) wrote :

Please have a look at Bug #251122 and see if purging ~/.recently-used.xbel resolves the slowness issue. If this is the case, this bug should be marked a duplicate of Bug #251122 and subsequently closed as it has nothing to do with mousewheel scrolling.

Revision history for this message
Guido Mureddu (malcolm81) wrote :

Thanks a lot, I did as you suggested, and that fixed the problem.

Revision history for this message
Kostas Chatzikokolakis (kostas-chatzi) wrote :

Indeed, truncating ~/.recently-used.xbel solved the problem so it looks like the same bug. Thanks for the info.

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