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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/127631/">https://git.reviewboard.kde.org/r/127631/</a>
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<p style="margin-top: 0;">On April 11th, 2016, 7:45 a.m. CEST, <b>Martin Gräßlin</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><blockquote style="text-rendering: inherit;padding: 0 0 0 1em;border-left: 1px solid #bbb;white-space: normal;margin: 0 0 0 0.5em;line-height: inherit;">
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">otherwise kwindowsystem::self() is nullptr</p>
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">how can KWindowSystem::self() be null? And why should that have anything to do with KWin? KWindowSystem does not depend on a window manager running.</p></pre>
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<p>On April 11th, 2016, 8:24 a.m. CEST, <b>Thomas Lübking</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">The entire thing sounds as if the problem would be that the session restorage in kwin overrides the placement for restored windows (with the restored position)</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">That's however not a bug (at least it's intended) and I've no idea why that's relevant to the weird geometry handling of SNI items (which looks <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">faaaar</em> too complex - the position of remapped windows is usually maintained by QWidget ...)</p></pre>
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<p>On April 11th, 2016, 8:53 a.m. CEST, <b>Anthony Fieroni</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I saw the code, it looks like KWindowSystem not depend on Kwin, but Kwin <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">must</em> be started <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">before</em> use of kwindowsystem. Thomas may right, because setGeometry even not work on sessions restored app.
When session was finish if start apps with kmail --session session-id everything wors fine.</p></pre>
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<p>On April 11th, 2016, 9:08 a.m. CEST, <b>Anthony Fieroni</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Now, after Thomas comment, i even think only widget->show() must works because widget has internal frameGeometry and position.</p></pre>
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<p>On April 11th, 2016, 10:38 a.m. CEST, <b>Martin Gräßlin</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><blockquote style="text-rendering: inherit;padding: 0 0 0 1em;border-left: 1px solid #bbb;white-space: normal;margin: 0 0 0 0.5em;line-height: inherit;">
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">but Kwin must be started before use of kwindowsystem</p>
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">no, really there is no reason for that. KWindowSystem doesn't depend on a window manager running.</p></pre>
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<p>On April 11th, 2016, 10:54 a.m. CEST, <b>Anthony Fieroni</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Then, correct KWin to kwindowsystem to start working. If there is no bug this will works on all cases -> https://git.reviewboard.kde.org/r/127216/ but it's not.</p></pre>
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<p>On April 11th, 2016, 11:01 a.m. CEST, <b>Martin Gräßlin</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I don't know why you have problems, but it's impossible that KWindowSystem::self() returns a nullptr. You can check the code to verify. Something is really broken on your side, but I don't know what. Maybe missing plugins installed?</p></pre>
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<p>On April 11th, 2016, 11:15 a.m. CEST, <b>Thomas Lübking</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">it's not a hard dependecy on the instace, the sni geometry handling is just plain broken.
the workaround operates on configure events on the mapped window which will go nowhere if there's no running wm.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">the client needs to handle the no-wm case, ie. configure the window correctly, but to repeat myself: such requirement implies that either sni or qwidget/qwindow is completely fucked up.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">qwindow/qwidget::setGeometry should justwork(tm)</p></pre>
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<p>On April 11th, 2016, 11:51 a.m. CEST, <b>Anthony Fieroni</b> wrote:</p>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">setGeometry <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">not</em> works, i can confirm since i'm test it. Nothing works if Kwin is started <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">after</em> usage of kwindowsystem::self().
Martin yeah nullprt is impossible.</p></pre>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">then this is a bug in Qt's xcb plugin and needs to be fixed there. Setting a geometry without a window manager must be possible.</p></pre>
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<p>- Martin</p>
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<p>On April 10th, 2016, 9:46 p.m. CEST, Anthony Fieroni wrote:</p>
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<div>Review request for kwin, Plasma, David Edmundson, Martin Gräßlin, and Thomas Lübking.</div>
<div>By Anthony Fieroni.</div>
<p style="color: grey;"><i>Updated April 10, 2016, 9:46 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
plasma-workspace
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">We must proceed with autoStart0 when kwin process is ended otherwise kwindowsystem::self() is nullptr. Every restored session app cannot use kwindowsystem. This depends of cpu speed, it can be faster enough to start wm before ksmserver restore apps and kwindowsystem will be usable.</p></pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">It's needed to fix this bug -> https://git.reviewboard.kde.org/r/127216/
I don't know how to proceed if kwin fails to start in every way, can we process - i think not?</p></pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>ksmserver/startup.cpp <span style="color: grey">(f118b55)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/127631/diff/" style="margin-left: 3em;">View Diff</a></p>
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