Review Request: Improve Calculate/Stop buttons when folder Size is being calculated

[Kai Uwe Broulik]

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http://git.reviewboard.kde.org/r/102149/
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Review request for kdelibs.


Summary
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This patch improves the Calculate and Stop buttons in folder properties.
Instead of having two buttons that are enabled/disabled accordingly, we only have one that toggles (technically there are still two buttons but it looks as if there was one)

I removed that "Calculating..." label when there is already a size shown, instead the stop button says "Stop Calculating" and somehow serves as "indicator".
Also, I added a line-break after the "Calculating..." so the label doesn't change its size making the other elements moving around.

I don't know if the additional icons (view-refresh and process-cancel) add too much clutter to the visual interface since this features is not sooo important/frequently used(?) that the buttons need an icon.


Diffs
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  kio/kfile/kpropertiesdialog.cpp ba56f18 

Diff: http://git.reviewboard.kde.org/r/102149/diff


Testing
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Compiles and the buttons toggle (and react) fine.


Thanks,

Kai Uwe

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