Review Request 108375: fix bug 311116 / screenlocker hiding

[Commit Hook]

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This review has been submitted with commit 17053ae6ec7dd9435b944e6a4f2ad435a91df269 by Thomas Lübking to branch KDE/4.10.

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On Jan. 13, 2013, 9:32 p.m., Thomas Lübking wrote:
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> http://git.reviewboard.kde.org/r/108375/
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> (Updated Jan. 13, 2013, 9:32 p.m.)
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> 
> Review request for Plasma and Martin Gräßlin.
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> Description
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> Ok. Redirecting to plasma.
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> The patch fixes:
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> a) setting the properties
> ... to happen on show, this is required because the "hide()" will (usually and in this case) destroy the drawable ("window") and with it all properties on the server; so they need to be re/set "when required".
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> b) input processing
> Relevant events are sucked so that we don't receive them more than once (usually i'd discourage from installing an eventfilter on the application but the screenlocker is ideally of low event occurrance anyway)
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> c) triggering events
> Not really a fix but the "saver" is now hidden on any keyPress and only reshown on escape keyRelease (iirc this was the behavior of most screenSavers when i used them because there was no dpms ...)
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> d) screen geometry adaptation
> if the user attaches a screen and that auto-extends the desktop, the screenlocker currently yells a warning and happily exposes the desktop (there's still a problem in case KWin fades in the locker but that's not matter to this patch)
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> 
> This addresses bug 311116.
>     http://bugs.kde.org/show_bug.cgi?id=311116
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> 
> Diffs
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>   ksmserver/screenlocker/greeter/greeter.cpp f5918f9 
>   ksmserver/screenlocker/greeter/greeterapp.h 6b2c263 
>   ksmserver/screenlocker/greeter/greeterapp.cpp a35c8ae 
>   ksmserver/screenlocker/greeter/screensaverwindow.cpp adb2587 
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> Diff: http://git.reviewboard.kde.org/r/108375/diff/
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> Testing
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> "Screensaver" - Emulation ;-)
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> m_showScreenSaver = true;
> // screensaverWindow->setBackground(backgroundPix);
> screensaverWindow->setAutoFillBackground(true);
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> 
> Thanks,
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> Thomas Lübking
> 
>

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