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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/123389/">https://git.reviewboard.kde.org/r/123389/</a>
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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 note that you're not trying to make use of the values in QWheelEvent::pixelDelta() - so this patch only really fixes the smoothness of the keyboard/mouse event emulation slightly.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Is that just because making more invasive changes into how the scroll works is something you'd like to separate from this?</p></pre>
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<a href="https://git.reviewboard.kde.org/r/123389/diff/1/?file=361494#file361494line912" style="color: black; font-weight: bold; text-decoration: underline;">src/TerminalDisplay.h</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; ">private:</pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">912</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">int</span> <span class="n">_delta</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;">Would suggest a more explicit name, <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">TerminalDisplay::_delta</code> is slightly ambiguous.</p></pre>
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<a href="https://git.reviewboard.kde.org/r/123389/diff/1/?file=361495#file361495line2422" style="color: black; font-weight: bold; text-decoration: underline;">src/TerminalDisplay.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 TerminalDisplay::wheelEvent(QWheelEvent* ev)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">_delta</span> <span class="o">+=</span> <span class="n">delta</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;">In this mechanism, scroll can sit accumulated for days, to apply to a tiny action later.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Have no idea how much of an issue this is, however.</p></pre>
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<a href="https://git.reviewboard.kde.org/r/123389/diff/1/?file=361495#file361495line2447" style="color: black; font-weight: bold; text-decoration: underline;">src/TerminalDisplay.cpp</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void TerminalDisplay::wheelEvent(QWheelEvent* ev)</pre></td>
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<th bgcolor="#f0f0f0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2">2441</font></th>
<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">_scrollBar</span><span class="o">-></span><span class="n">event</span><span class="p">(</span><span class="n">ev</span><span class="p">);</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">_scrollBar</span><span class="o">-></span><span class="n">event</span><span class="p">(</span><span class="n">ev</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;">In this fork, <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">_delta</code> will constantly accumulate, even though the motions is being acted on by QScrollBar::event().</p></pre>
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<p>- Lindsay Roberts</p>
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<p>On April 16th, 2015, 7:14 p.m. UTC, Xuetian Weng wrote:</p>
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<div>Review request for Konsole and Kurt Hindenburg.</div>
<div>By Xuetian Weng.</div>
<p style="color: grey;"><i>Updated April 16, 2015, 7:14 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
konsole
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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;">Qt5 support high precision wheel event for touchpad. It makes this problem more common.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Here we use 120 to round the angleDelta, and _delta to store the accumulated delta value.</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;">Test with touchpad scrolling.</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/TerminalDisplay.h <span style="color: grey">(c043803)</span></li>
<li>src/TerminalDisplay.cpp <span style="color: grey">(fa84296)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/123389/diff/" style="margin-left: 3em;">View Diff</a></p>
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