<table><tr><td style="">davidedmundson added a comment.
</td><a style="text-decoration: none; padding: 4px 8px; margin: 0 8px 8px; float: right; color: #464C5C; font-weight: bold; border-radius: 3px; background-color: #F7F7F9; background-image: linear-gradient(to bottom,#fff,#f1f0f1); display: inline-block; border: 1px solid rgba(71,87,120,.2);" href="https://phabricator.kde.org/D22034">View Revision</a></tr></table><br /><div><div><p>Concept makes sense. I mostly like the layering and architecture, except for all the cases where we end up searching up the hierarchy to find objects. That doesn't seem quite as nicely layered.</p>
<p>I'm not finished, it's a big patch - but I thought I should submit what I have for now.</p></div></div><br /><div><strong>INLINE COMMENTS</strong><div><div style="margin: 6px 0 12px 0;"><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127091">View Inline</a><span style="color: #4b4d51; font-weight: bold;">abstractlayoutmanager.cpp:110</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">QRectF</span> <span class="n">candidate</span> <span style="color: #aa2211">=</span> <span class="n">candidateGeometry</span><span class="p">(</span><span class="n">item</span><span class="p">);</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">item</span><span style="color: #aa2211">-></span><span class="n">setX</span><span class="p">(</span><span class="n">candidate</span><span class="p">.</span><span class="n">x</span><span class="p">());</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">item</span><span style="color: #aa2211">-></span><span class="n">setY</span><span class="p">(</span><span class="n">candidate</span><span class="p">.</span><span class="n">y</span><span class="p">());</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">setPosition</p>
<p style="padding: 0; margin: 8px;">setSize</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127087">View Inline</a><span style="color: #4b4d51; font-weight: bold;">abstractlayoutmanager.h:44</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"><span style="color: #74777d"> */</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">QSizeF</span> <span style="color: #004012">cellAlignedContainingSize</span><span class="p">(</span><span style="color: #aa4000">const</span> <span class="n">QSizeF</span> <span style="color: #aa2211">&</span><span class="n">size</span><span class="p">)</span> <span style="color: #aa4000">const</span><span class="p">;</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">I don't fully understand the split between AbstractLayoutManager and GridLayoutManager when AbstractLayoutManager effectively enforces a grid by having cell sizes.</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127079">View Inline</a><span style="color: #4b4d51; font-weight: bold;">appletcontainer.cpp:32</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"><span class="p">{</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">connect</span><span class="p">(</span><span style="color: #aa4000">this</span><span class="p">,</span> <span style="color: #aa2211">&</span><span class="n">AppletContainer</span><span style="color: #aa2211">::</span><span class="n">contentItemChanged</span><span class="p">,</span> <span style="color: #aa4000">this</span><span class="p">,</span> <span class="p">[</span><span style="color: #aa4000">this</span><span class="p">]()</span> <span class="p">{</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span style="color: #aa4000">if</span> <span class="p">(</span><span class="n">m_appletItem</span><span class="p">)</span> <span class="p">{</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">How do we know this happens after the busy component is set?</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127097">View Inline</a><span style="color: #4b4d51; font-weight: bold;">itemcontainer.cpp:364</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">QQuickItem</span> <span style="color: #aa2211">*</span><span class="n">item</span><span class="p">;</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span style="color: #aa4000">for</span> <span class="p">(</span><span style="color: #aa4000">auto</span> <span style="color: #aa2211">*</span><span style="color: #a0a000">o</span> <span class="p">:</span> <span class="n">m_contentData</span><span class="p">)</span> <span class="p">{</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">scope this in the loop</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127095">View Inline</a><span style="color: #4b4d51; font-weight: bold;">itemcontainer.cpp:370</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="p">}</span> <span style="color: #aa4000">else</span> <span class="p">{</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">o</span><span style="color: #aa2211">-></span><span class="n">setParent</span><span class="p">(</span><span style="color: #aa4000">this</span><span class="p">);</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="p">}</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">why?</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127098">View Inline</a><span style="color: #4b4d51; font-weight: bold;">itemcontainer.cpp:375</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span style="color: #74777d">// Search for the Layout attached property</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span style="color: #74777d">// Qt6: this should become public api</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span style="color: #aa4000">for</span> <span class="p">(</span><span style="color: #aa4000">auto</span> <span style="color: #aa2211">*</span><span style="color: #a0a000">o</span> <span class="p">:</span> <span class="n">children</span><span class="p">())</span> <span class="p">{</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">no point just wishing, we need to open a bug report at least</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127099">View Inline</a><span style="color: #4b4d51; font-weight: bold;">itemcontainer.cpp:438</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span style="color: #aa4000">if</span> <span class="p">(</span><span class="n">newPreferredHeight</span> <span style="color: #aa2211">></span> <span class="n">height</span><span class="p">())</span> <span class="p">{</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">setHeight</span><span class="p">(</span><span class="n">layout</span><span class="p">()</span><span style="color: #aa2211">-></span><span class="n">cellHeight</span><span class="p">()</span> <span style="color: #aa2211">*</span> <span class="n">ceil</span><span class="p">(</span><span class="n">newPreferredHeight</span> <span style="color: #aa2211">/</span> <span class="n">layout</span><span class="p">()</span><span style="color: #aa2211">-></span><span class="n">cellHeight</span><span class="p">()));</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">changed</span> <span style="color: #aa2211">=</span> <span style="color: #304a96">true</span><span class="p">;</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">why?</p>
<p style="padding: 0; margin: 8px;">We're above the minimum size, the user could have resized it smaller than this</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127055">View Inline</a><span style="color: #4b4d51; font-weight: bold;">BasicResizeHandle.qml:26</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"><span style="color: #004012">ContainmentLayoutManager</span><span class="p">.</span><span style="color: #004012">ResizeHandle</span> <span class="p">{</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span style="color: #aa4000">resizeCorner:</span> <span style="color: #004012">ContainmentLayoutManager</span><span class="p">.</span><span style="color: #004012">ResizeHandle2</span><span class="p">.</span><span style="color: #004012">Right</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">ResizeHandle2?</p></div></div><br /><div style="border: 1px solid #C7CCD9; border-radius: 3px;"><div style="padding: 0; background: #F7F7F7; border-color: #e3e4e8; border-style: solid; border-width: 0 0 1px 0; margin: 0;"><div style="color: #74777d; background: #eff2f4; padding: 6px 8px; overflow: hidden;"><a style="float: right; text-decoration: none;" href="https://phabricator.kde.org/D22034#inline-127104">View Inline</a><span style="color: #4b4d51; font-weight: bold;">resizehandle.cpp:42</span></div>
<div style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; white-space: pre-wrap; clear: both; padding: 4px 0; margin: 0;"><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">connect</span><span class="p">(</span><span style="color: #aa4000">this</span><span class="p">,</span> <span style="color: #aa2211">&</span><span class="n">QQuickItem</span><span style="color: #aa2211">::</span><span class="n">parentChanged</span><span class="p">,</span> <span style="color: #aa4000">this</span><span class="p">,</span> <span class="p">[</span><span style="color: #aa4000">this</span><span class="p">]()</span> <span class="p">{</span>
</div><div style="padding: 0 8px; margin: 0 4px; background: rgba(151, 234, 151, .6);"> <span class="n">QQuickItem</span> <span style="color: #aa2211">*</span><span class="n">candidate</span> <span style="color: #aa2211">=</span> <span class="n">parentItem</span><span class="p">();</span>
</div></div></div>
<div style="margin: 8px 0; padding: 0 12px;"><p style="padding: 0; margin: 8px;">we monitor the direct parent, but ConfigOverlay could be anywhere on the ancestory tree.</p></div></div></div></div></div><br /><div><strong>REPOSITORY</strong><div><div>R120 Plasma Workspace</div></div></div><br /><div><strong>REVISION DETAIL</strong><div><a href="https://phabricator.kde.org/D22034">https://phabricator.kde.org/D22034</a></div></div><br /><div><strong>To: </strong>mart, Plasma<br /><strong>Cc: </strong>davidedmundson, plasma-devel, LeGast00n, jraleigh, fbampaloukas, GB_2, ragreen, Pitel, ZrenBot, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart<br /></div>