Review Request 113902: Fix scrollbar spacing when no scrollbar is visible in dolphin.

[Yichao Yu]

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http://git.reviewboard.kde.org/r/113902/
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Review request for Dolphin, Frank Reininghaus and Peter Penz.


Repository: kde-baseapps


Description
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Dolphin reserve space for scrollbar spacing even when no scrollbar is visible resulting in a ugly gap in the view when:
1. the theme uses QStyle::SH_ScrollView_FrameOnlyAroundContents and
2. the theme has a positive PM_ScrollView_ScrollBarSpacing.

QtCurve can have both while Oxygen have 1 but not 2.
To reproduce the problem with Oxygen style. Replace the `width += ....` (which returns -2 or 0 for Oxygen) with `width += 2`.

See more info here[1].

[1] https://github.com/QtCurve/qtcurve-qt4/issues/9#issuecomment-28630517


Diffs
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  dolphin/src/kitemviews/kitemlistcontainer.cpp f2e94b7 

Diff: http://git.reviewboard.kde.org/r/113902/diff/


Testing
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Logic looks right.
Compiled and it fixes the problem.


Thanks,

Yichao Yu

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