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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/122270/">https://git.reviewboard.kde.org/r/122270/</a>
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<p style="margin-top: 0;">On Januar 27th, 2015, 6:59 vorm. UTC, <b>Martin Gräßlin</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/122270/diff/1/?file=345342#file345342line250" style="color: black; font-weight: bold; text-decoration: underline;">startkde/kcminit/main.cpp</a>
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(Diff revision 1)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">extern "C" Q_DECL_EXPORT int kdemain(int argc, char *argv[])</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">KCMInit</span> <span class="nf">kcminit</span><span class="p">(</span> <span class="n">KCmdLineArgs</span><span class="o">::</span><span class="n">parsedArgs</span><span class="p">());</span></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#ifdef HAVE_X11</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QGuiApplication</span> <span class="nf">app</span><span class="p">(</span><span class="n">argc</span><span class="p">,</span> <span class="n">argv</span><span class="p">);</span> <span class="c1">//for multihead disabling only</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#else</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QCoreApplication</span> <span class="nf">app</span><span class="p">(</span><span class="n">argc</span><span class="p">,</span> <span class="n">argv</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="cp">#endif</span></pre></td>
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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 do not like this. If the only need is to check whether it's X11 multi-head, it should open an xcb_connection_t - if that fails we don't have an X-Server. If it succeeds we can check the number of screens.</p></pre>
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<p>On Januar 27th, 2015, 7:10 nachm. UTC, <b>Nick Shaforostoff</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;">understood, but the question remains: is kcminit the best place to do multihead-related stuff?</p></pre>
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<pre style="margin-left: 1em; 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 required by KApplication and while that's in kde4support, it's still there (as well as KDE4 clients)
So "yes, we need that everywhere" - for now.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Clients seem to default the env to false, so uncoditionally setting it true is wrong for sure.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">It'd rather be "multihead = (screenCount > 1);" (ignoring the ini) what however would be a feature loss.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">=> Proposal
users should be able to pre-control the variable in eg. ~/.kde/env (or wherever the Plasma 2 equivalent is)
If the variable is set to false, it remains like that.
If not (ie. it's not set or set true resp. anything but 0/false) it becomes true if the screen count > 1</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Spares the ini lookup, but I don't think you get around </p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">xcb_connection_t *c;
int screen_count = xcb_setup_roots_length(xcb_get_setup(c));</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">without risking to really break stuff (the suggested approach still causes a transitional break)</p></pre>
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<p>- Thomas</p>
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<p>On Januar 28th, 2015, 12:47 vorm. UTC, Nick Shaforostoff wrote:</p>
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<div>Review request for kde-workspace, Aleix Pol Gonzalez, Martin Gräßlin, and Lukáš Tinkl.</div>
<div>By Nick Shaforostoff.</div>
<p style="color: grey;"><i>Updated Jan. 28, 2015, 12:47 vorm.</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;">Now kcminit is linked with less libraries -> startup time improved</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I also suggest always setting KDE_MULTIHEAD=true to eliminate ini file access during startup and to be able to stop linking against QtGui</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;">compiled, ran 'kcminit --list' and kcminit AAA</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>startkde/kcminit/CMakeLists.txt <span style="color: grey">(ffae38c)</span></li>
<li>startkde/kcminit/main.h <span style="color: grey">(1140b77)</span></li>
<li>startkde/kcminit/main.cpp <span style="color: grey">(4724323)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/122270/diff/" style="margin-left: 3em;">View Diff</a></p>
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