Review Request 122563: [OS X] emulate native window settings restore (size and position)

[René J.V. Bertin]

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Review request for KDE Software on Mac OS X and kdelibs.


Repository: kdelibs


Description
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OS X applications usually remember the last used screen, size and screen position across restarts, and do not save screen-resolution dependent settings. 

The patch proposed here emulates that behaviour by following the example given in the documentation for `QWidget::saveGeometry`: the current geometry is saved in a key called `geometry`, and position is kept up to date by letting `QEvent::Move` dirty the size setting, as under MS Windows.

I think it's good practice to support previously stored settings when changing a config store, so the code attempts to restore "legacy" settings when the new key is unavailable.


Diffs
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  kdeui/widgets/kmainwindow.cpp 85beacc 

Diff: https://git.reviewboard.kde.org/r/122563/diff/


Testing
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On OS X 10.9.5 with Qt 4.8.6 and kdelibs 4.14.5 (head of the 4.14 branch); tested with systemsettings, kate and kontact.


Thanks,

René J.V. Bertin

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