Review Request: fix 234407 - set minimum width for system settings icon view

[Xuetian Weng]

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http://git.reviewboard.kde.org/r/108328/
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Review request for kde-workspace, Ben Cooksley, Thomas Lübking, Chao Feng, and Yichao Yu.


Description
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have a minimum width for system settings icon view depends on font.

This fontHeight * 6 heuristic value works all languages. CJK character is usually square so this roughly means 6 CJK character, and 12 latin letter, which will always look good.

And to fengchao, sorry if you feel I steal your job.. but I can't stop but self since I think I can finish it in 10 minutes..


This addresses bug 234407.
    http://bugs.kde.org/show_bug.cgi?id=234407


Diffs
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  systemsettings/icons/CMakeLists.txt 0830dd7 
  systemsettings/icons/FileItemDelegate.h PRE-CREATION 
  systemsettings/icons/FileItemDelegate.cpp PRE-CREATION 
  systemsettings/icons/IconMode.cpp 37cfc4b 

Diff: http://git.reviewboard.kde.org/r/108328/diff/


Testing
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see screenshot.


Screenshots
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english after change
  http://git.reviewboard.kde.org/r/108328/s/1014/
chinese after change
  http://git.reviewboard.kde.org/r/108328/s/1015/
chinese before change
  http://git.reviewboard.kde.org/r/108328/s/1016/
spanish after change
  http://git.reviewboard.kde.org/r/108328/s/1017/


Thanks,

Xuetian Weng

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