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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/119945/">https://git.reviewboard.kde.org/r/119945/</a>
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<p style="margin-top: 0;">On August 26th, 2014, 6:43 p.m. UTC, <b>Marco Martin</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/119945/diff/1/?file=307711#file307711line311" style="color: black; font-weight: bold; text-decoration: underline;">src/plasmaquick/dialog.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; ">void DialogPrivate::updateVisibility(bool visible)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span><span class="n">location</span> <span class="o">==</span> <span class="n">Plasma</span><span class="o">::</span><span class="n">Types</span><span class="o">::</span><span class="n">BottomEdge</span><span class="p">)</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="n">mainItem</span><span class="p">.</span><span class="n">data</span><span class="p">()</span><span class="o">-></span><span class="n">disconnect</span><span class="p">(</span><span class="n">q</span><span class="p">);</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;">instead of disconnecting and reconnecting, you can also just block and reenable signals on the object</p></pre>
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<p>On August 26th, 2014, 6:49 p.m. UTC, <b>David Edmundson</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 think you can</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Imagine this code:</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">MainItem<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
{<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
Rectangle {<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
anchors.fill:parent<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
}<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
}</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">as you resize the mainItem ( mainItem.data()->setWidth ) the MainItem will be emitting the width changed signals that the inner rectangle is meant to be reacting to, if you block signals I think the inner item won't change.</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;">yeah, it may screw up other objects connected to it, good point</p></pre>
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<p>- Marco</p>
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<p>On August 26th, 2014, 5:34 p.m. UTC, Vishesh Handa wrote:</p>
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<div>Review request for Plasma.</div>
<div>By Vishesh Handa.</div>
<p style="color: grey;"><i>Updated Aug. 26, 2014, 5:34 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
plasma-framework
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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;">When the minimumWidth/Height of the attached Layout of the mainItem<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
would change. The following events would happen -</p>
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<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">updateMinimumWidth is called<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
--> results in resizeEvent being called<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
--> results in syncMainItemToSize<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
--> results in slots connected to mainItem widthChanged<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
---> syncMainItemToSize + syncToMainItemSize being called a few more<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
times. It's not entirely apparent why at thist point.</li>
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">This kind of logic is quite hard to follow and more importantly because<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
of the timers in the middle, an extra paint event is called. This means<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
the user can first see the window resize and then the item getting<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
resized.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">This patch introduces a little bit of code duplication (can be fixed in<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
future commits) to clearly establish what updateMinimumWidth should be<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
doing -<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
<em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;"> disconnect signals to make sure mainItem's widthChange is not triggered<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
</em> update window size + item size + borders<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
* reposition if required</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">The repositioning is useful as currently if a dialog becomes wider if<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
will not reposition itself and will overflow. With this patch we always<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
make sure the entire dialog is shown.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Minor Point: On testing without the patch the dialog does reposition<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
itself if it is not already overflowing. I suspect this is kwin moving<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
the window.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">A test called dialog_minWidthHeighRepositioning.qml can be used to see<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
how the change occurs before and after.</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>src/plasmaquick/dialog.h <span style="color: grey">(f207f88)</span></li>
<li>src/plasmaquick/dialog.cpp <span style="color: grey">(02271e4)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/119945/diff/" style="margin-left: 3em;">View Diff</a></p>
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