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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/128954/">https://git.reviewboard.kde.org/r/128954/</a>
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<p style="margin-top: 0;">On September 20th, 2016, 12:06 p.m. CEST, <b>Aleix Pol Gonzalez</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/128954/diff/1/?file=477161#file477161line222" style="color: black; font-weight: bold; text-decoration: underline;">KTp/Declarative/messages-model.cpp</a>
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(Diff revision 1)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">for</span> <span class="p">(</span><span class="kt">int</span> <span class="n">i</span> <span class="o">=</span> <span class="n">d</span><span class="o">-></span><span class="n">messages</span><span class="p">.</span><span class="n">count</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span><span class="p">;</span> <span class="n">i</span> <span class="o">>=</span> <span class="mi">0</span><span class="p">;</span> <span class="o">--</span><span class="n">i</span><span class="p">)</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;">Use iterators?</p></pre>
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<p>On September 20th, 2016, 12:24 p.m. CEST, <b>Alexandr Akulich</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;">How to get an index from iterator?</p></pre>
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<p>On September 20th, 2016, 12:26 p.m. CEST, <b>Aleix Pol Gonzalez</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;">You can count in parallel without calling <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">QList::operator[]</code> on the index.</p></pre>
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<p>On September 20th, 2016, 12:39 p.m. CEST, <b>Alexandr Akulich</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;">Actually I call <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">const T &at(int i) const;</code>. And what is the reason to use iterators, if you still suggest to use a counter? Do you actually think that</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;"><div class="codehilite" style="background: #f8f8f8"><pre style="line-height: 125%"> int i = d->messages.count() - 1;
for (auto it = d->messages.constEnd(); it != d->messages.constBegin(); --it, --i) {
if (sentTimestamp > it->message.time()) {
newMessageIndex = i;
break;
}
// Or do you suggest to place --i; here?
}
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">is more readable, than plain</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;"><div class="codehilite" style="background: #f8f8f8"><pre style="line-height: 125%"> for (int i = d->messages.count() - 1; i >= 0; --i) {
if (sentTimestamp > d->messages.at(i).message.time()) {
newMessageIndex = i;
break;
}
}
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">?</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">IMO it is a common practice to use iterators if you don't need index (and just use the index otherwise). It is a bit more optimal and I don't made an error in the condition.</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;">You can use reverse iterators:
http://doc.qt.io/qt-5/qvector.html#crbegin</p></pre>
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<p>- Aleix</p>
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<p>On September 20th, 2016, 11:51 a.m. CEST, Alexandr Akulich wrote:</p>
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<div>Review request for Telepathy.</div>
<div>By Alexandr Akulich.</div>
<p style="color: grey;"><i>Updated Sept. 20, 2016, 11:51 a.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
ktp-common-internals
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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;">Implemented message sort by sent timestamp (if available).</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">This fixes order of scrollback messages.</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;">Works, fixes the issue.</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>KTp/Declarative/messages-model.cpp <span style="color: grey">(dc1088c)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/128954/diff/" style="margin-left: 3em;">View Diff</a></p>
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