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List:       kdevelop-bugs
Subject:    [Bug 252867] New: code completion list jumpy
From:       Milian Wolff <mail () milianw ! de>
Date:       2010-09-30 13:37:25
Message-ID: bug-252867-40295 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=252867

           Summary: code completion list jumpy
           Product: kdevelop
           Version: 4.0.0
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: code completion
        AssignedTo: kdevelop-bugs@kdevelop.org
        ReportedBy: mail@milianw.de


Version:           4.0.0
OS:                Linux

When browsing through the completion list you get behind "KMessageBox::", the
list behaves quite jumpy and is not nice at all imo.

PS: This is a KatePart bug, but as I know the Kate people, they won't fix it
since it cannot be seen there. So lets put it into KDevelop until I eventually
come around to fix it.

Reproducible: Didn't try

Steps to Reproduce:
File contents:
~~~
#include <KMessageBox>

int main() {
  KMessageBox:: // request code completion here
}
~~~


Actual Results:  

Now scroll down. The first time the list scrolls, the prefix column (function
return types) will get *much* bigger, even though no item needs that space.

When you scroll down further you see the row that needs the space there, but it
should only resize when this column is actually visible, just like it's
resizing again once you scroll down further and the row is hidden again.

http://userpage.physik.fu-berlin.de/~milianw/kate-broken-completion-overwidecolumn.png

If you scroll down even further into the Enum area, you'll notice that the
completion list shrinks quite much (width), so much that completion item in the
namespace group are cut of (if still visible). It happens for me as soon as I
scroll down to KMessageBox::DialogType::Error. But this will only cut of the
text, the list widget will still be quite wide. Scroll one more item further
down, and the width will decrease to the column width.

http://userpage.physik.fu-berlin.de/~milianw/kate-broken-completion-labelcutoff.png

Expected Results:  
Only resize if visible item would not have enough space
Don't cut of visible labels
Resize directly, don't cut of label text without resizing the widget.

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