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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/120733/">https://git.reviewboard.kde.org/r/120733/</a>
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<p style="margin-top: 0;">On October 23rd, 2014, 7:28 a.m. UTC, <b>Camilla Boemann</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 like the idea of the constraints, and how you fill it</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">but i am not so sure about the doLayout() testing and acting on the constraints. I feel this belong in the provider if at all possible</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">And encountering a different set of constraints shouldn't have to mean we release all root areas after. So releaseAllAfter should only be called when we are at the end of the layout process, otherwise the provider should just give us the page we need, and we should just keep on checking if we end where we ended before and if we get back in sync we shouldn't have to relayout everything (which releasAllAfter would mean we had to do and just think if we were editng on page 1 of a 800 page document)</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">i am not saying it's possible but i would surely like it better like that</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;">I understand your feeling about releasing all root areas after. This was the shortest path to the fix, and obviously it has to be improved. But I think inserting a new root area in the middle of the root area list may introduce serious issues with advanced page layout. I'll think about this tonight and look at what is possible, but when you link page styles together (I'm not sure we already have that feature, but that's on my todo list), then you end up inserting a lot of pages and at the end release most pages. It's a matter of calculating (or more likely deciding) which costs less.</p></pre>
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<p style="margin-top: 0;">On October 23rd, 2014, 7:28 a.m. UTC, <b>Camilla Boemann</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/120733/diff/1/?file=321682#file321682line757" style="color: black; font-weight: bold; text-decoration: underline;">libs/textlayout/KoTextDocumentLayout.cpp</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void KoTextDocumentLayout::layout()</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">((</span><span class="n">rootArea</span><span class="o">-></span><span class="n">page</span><span class="p">()</span> <span class="o">&&</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;">this part i don't like being in the library - i think it should rest upon the provider</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;">I agree, I don't like it either. I just didn't want to alter the rootAreaProvider interface too much, but I'll have to go that way for your other issue so it won't be too much trouble.</p></pre>
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<p style="margin-top: 0;">On October 23rd, 2014, 7:28 a.m. UTC, <b>Camilla Boemann</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/120733/diff/1/?file=321689#file321689line168" style="color: black; font-weight: bold; text-decoration: underline;">words/part/KWRootAreaProvider.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">KoTextLayoutRootArea* KWRootAreaProvider::provideNext(KoTextDocumentLayout *documentLayout)</pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">KoTextLayoutRootArea* KWRootAreaProvider::provideNext(KoTextDocumentLayout* documentLayout, const RootAreaConstraint& constraints)</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n"><span class="hl">QString</span></span><span class="hl"> </span><span class="n">masterPageName</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"><span class="hl">KWPage</span></span><span class="hl"> </span><span class="n"><span class="hl">page</span></span><span class="hl"> </span><span class="o"><span class="hl">=</span></span><span class="hl"> </span><span class="n"><span class="hl">kwdoc</span></span><span class="o"><span class="hl">-></span></span><span class="n"><span class="hl">appendPage</span></span><span class="p"><span class="hl">(</span></span><span class="n"><span class="hl">constraints</span></span><span class="p"><span class="hl">.</span></span><span class="n">masterPageName</span><span class="p"><span class="hl">)</span>;</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 guess we should insert a page instead of appending (thus avoiding the need to release all after) if it mismatches the next available page in the current list of pages</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">possibly this could be even smarter</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;">I partially agree, I'll try that way nevertheless, but I fear it's going to have much more side effects.</p></pre>
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<p>- Pierre</p>
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<p>On October 23rd, 2014, 7:15 a.m. UTC, Pierre Ducroquet wrote:</p>
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<div>Review request for Calligra and Camilla Boemann.</div>
<div>By Pierre Ducroquet.</div>
<p style="color: grey;"><i>Updated Oct. 23, 2014, 7:15 a.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
calligra
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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;">This patch refactors a bit the KoTextLayoutRootAreaProvider.
It extends the provideNext call by adding a constraints structure.
This structure contains so far the masterPageName and the page
number of the requested new rootArea.
This way, the provider don't have to sneak in layout specific data.
It also adds a way for KoTextLayoutRootAreaProvider to help the
layout and fix inserting a new page (by adding lines to a paragraph
for instance) before a page break changing the page style.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Some more explanations regarding this bug :
- Page 1, style AAA
* page break, requesting style BBB
- Page 2, style BBB</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">If you add more data to the page 1, then dynamically the layout should
do :
- Page 1, style AAA
- Page 2, style AAA
* page break, requesting style BBB
- Page 3, style BBB</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">But the layout did recycle the page 2, leading to :
- Page 1, style AAA
- Page 2, style BBB
* page break, requesting style BBB
- Page 3, style BBB</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Reloading the document leads to a correct layout.</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;">A simple document with page styles (changing the background color to help speed up the development) now doesn't exhibit the wrong layout behaviour.</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>libs/textlayout/KoTextDocumentLayout.cpp <span style="color: grey">(805f11d1c4aaf90a1a2a654053889e06800193de)</span></li>
<li>libs/textlayout/KoTextLayoutRootAreaProvider.h <span style="color: grey">(23b91bc519761eef2861fc6fc4546294271389cc)</span></li>
<li>libs/textlayout/tests/MockRootAreaProvider.h <span style="color: grey">(23056384fb55918ae360ad062d5dfd13ee7c4837)</span></li>
<li>libs/textlayout/tests/MockRootAreaProvider.cpp <span style="color: grey">(0402528998c26cfb586f297abe7c879459adda50)</span></li>
<li>plugins/textshape/SimpleRootAreaProvider.h <span style="color: grey">(afada40af1ea3341a820dc0d275a2db5bbb5a3f8)</span></li>
<li>plugins/textshape/SimpleRootAreaProvider.cpp <span style="color: grey">(42df2ecd30aa744780642618556a7013a9ff27da)</span></li>
<li>words/part/KWRootAreaProvider.h <span style="color: grey">(8fb9b5e379a0561fceb7ba32935084df46ce6fd9)</span></li>
<li>words/part/KWRootAreaProvider.cpp <span style="color: grey">(62b6fb6fba4dea8d9f68b0b3c1afb7324c50d502)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/120733/diff/" style="margin-left: 3em;">View Diff</a></p>
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