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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/121386/">https://git.reviewboard.kde.org/r/121386/</a>
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<a href="https://git.reviewboard.kde.org/r/121386/diff/1/?file=332209#file332209line51" style="color: black; font-weight: bold; text-decoration: underline;">daemon/backends/upower/xrandrbrightness.cpp</a>
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(Diff revision 1)
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">m_backlight</span> <span class="o">=</span> <span class="n">XInternAtom</span><span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">display</span><span class="p">(),</span> <span class="s">"Backlight"</span><span class="p">,</span> <span class="n">True</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="kt">xcb_intern_atom_cookie_t</span> <span class="n">backlight_cookie</span><span class="p">[</span><span class="mi">2</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="k">if</span> <span class="p">(</span><span class="n">m_backlight</span> <span class="o">==</span> <span class="n">None</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">backlight_cookie</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="n">xcb_intern_atom</span> <span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">connection</span><span class="p">(),</span> <span class="mi">1</span><span class="p">,</span> <span class="n">strlen</span><span class="p">(</span><span class="s">"Backlight"</span><span class="p">),</span> <span class="s">"Backlight"</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">m_backlight</span> <span class="o">=</span> <span class="n">XInternAtom</span><span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">display</span><span class="p">(),</span> <span class="s">"BACKLIGHT"</span><span class="p">,</span> <span class="n">True</span><span class="p">);</span> <span class="c1">// try with legacy atom</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">backlight_cookie</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">xcb_intern_atom</span> <span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">connection</span><span class="p">(),</span> <span class="mi">1</span><span class="p">,</span> <span class="n">strlen</span><span class="p">(</span><span class="s">"BACKLIGHT"</span><span class="p">),</span> <span class="s">"BACKLIGHT"</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">xcb_intern_atom_reply_t</span> <span class="o">*</span><span class="n">backlight_reply</span> <span class="o">=</span> <span class="n">xcb_intern_atom_reply</span> <span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">connection</span><span class="p">(),</span> <span class="n">backlight_cookie</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="o">&</span><span class="n">error</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></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">error</span> <span class="o">!=</span> <span class="nb">NULL</span> <span class="o">||</span> <span class="n">backlight_reply</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">const</span> <span class="kt">int</span> <span class="n">errorCode</span> <span class="o">=</span> <span class="n">error</span> <span class="o">?</span> <span class="n">error</span><span class="o">-></span><span class="n">error_code</span> <span class="o">:</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">qCWarning</span><span class="p">(</span><span class="n">POWERDEVIL</span><span class="p">,</span> <span class="s">"Intern Atom returned error %d"</span><span class="p">,</span> <span class="n">errorCode</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <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;">why is it calling twice xcb_intern_atom and only once xcb_intern_atom_reply? That's leaking an xcb_intern_atom_reply_t.</p></pre>
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<a href="https://git.reviewboard.kde.org/r/121386/diff/1/?file=332209#file332209line55" style="color: black; font-weight: bold; text-decoration: underline;">daemon/backends/upower/xrandrbrightness.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; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">xcb_intern_atom_reply_t</span> <span class="o">*</span><span class="n">backlight_reply</span> <span class="o">=</span> <span class="n">xcb_intern_atom_reply</span> <span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">connection</span><span class="p">(),</span> <span class="n">backlight_cookie</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="o">&</span><span class="n">error</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">50</font></th>
<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">error</span> <span class="o">!=</span> <span class="nb">NULL</span> <span class="o">||</span> <span class="n">backlight_reply</span> <span class="o">==</span> <span class="nb">NULL</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">51</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">const</span> <span class="kt">int</span> <span class="n">errorCode</span> <span class="o">=</span> <span class="n">error</span> <span class="o">?</span> <span class="n">error</span><span class="o">-></span><span class="n">error_code</span> <span class="o">:</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">52</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">qCWarning</span><span class="p">(</span><span class="n">POWERDEVIL</span><span class="p">,</span> <span class="s">"Intern Atom returned error %d"</span><span class="p">,</span> <span class="n">errorCode</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">53</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <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;">why do yoy pass the error? Does it matter which errorCode is returned? It's very unlikely to ever fail and could be simplified to:
auto reply = xcb_intern_atom_reply(c, cookie, nullptr);
if (!reply) {
qCWarning(...)
return;
}</p></pre>
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<a href="https://git.reviewboard.kde.org/r/121386/diff/1/?file=332209#file332209line102" style="color: black; font-weight: bold; text-decoration: underline;">daemon/backends/upower/xrandrbrightness.cpp</a>
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(Diff revision 1)
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<td bgcolor="#fdfebc" 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"><span class="hl">o</span></span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n"><span class="hl">o</span></span> <span class="o"><</span> <span class="n">m_resources</span><span class="o">-></span><span class="n">noutput</span><span class="p"><span class="hl">;</span></span><span class="hl"> </span><span class="n"><span class="hl">o</span></span><span class="o"><span class="hl">++</span></span><span class="p"><span class="hl">)</span></span></pre></td>
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<td bgcolor="#fdfebc" 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"><span class="hl">i</span></span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="n"><span class="hl">i</span></span> <span class="o"><</span> <span class="n">m_resources</span><span class="o">-></span><span class="n">n<span class="hl">um_</span>output<span class="hl">s</span></span><span class="p"><span class="hl">;</span></span><span class="hl"> </span><span class="o"><span class="hl">++</span></span><span class="n"><span class="hl">i</span></span><span class="p"><span class="hl">)</span></span><span class="hl"> </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;">coding style</p></pre>
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<a href="https://git.reviewboard.kde.org/r/121386/diff/1/?file=332209#file332209line119" style="color: black; font-weight: bold; text-decoration: underline;">daemon/backends/upower/xrandrbrightness.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="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="n">m_resources</span><span class="o">-></span><span class="n">num_outputs</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;">coding style</p></pre>
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<a href="https://git.reviewboard.kde.org/r/121386/diff/1/?file=332209#file332209line142" style="color: black; font-weight: bold; text-decoration: underline;">daemon/backends/upower/xrandrbrightness.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="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="n">m_resources</span><span class="o">-></span><span class="n">num_outputs</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;">coding style</p></pre>
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<a href="https://git.reviewboard.kde.org/r/121386/diff/1/?file=332209#file332209line165" style="color: black; font-weight: bold; text-decoration: underline;">daemon/backends/upower/xrandrbrightness.cpp</a>
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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="mi">0</span><span class="p">;</span> <span class="n">i</span> <span class="o"><</span> <span class="n">m_resources</span><span class="o">-></span><span class="n">num_outputs</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;">coding style</p></pre>
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<a href="https://git.reviewboard.kde.org/r/121386/diff/1/?file=332209#file332209line178" style="color: black; font-weight: bold; text-decoration: underline;">daemon/backends/upower/xrandrbrightness.cpp</a>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">XSync</span><span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">display</span><span class="p">(),</span> <span class="n">False</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">XSync</span><span class="p">(</span><span class="n">QX11Info</span><span class="o">::</span><span class="n">display</span><span class="p">(),</span> <span class="n">False</span><span class="p">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="c1">//xcb_aux_sync(QX11Info::connection());</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;">xcb_aux_sync is not working as it's in a helper library.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">You can find a sync implementation in KWin's xcbutils.h</p></pre>
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<p>- Martin Gräßlin</p>
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<p>On December 7th, 2014, 10:36 p.m. CET, Kai Uwe Broulik wrote:</p>
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<div>Review request for Solid and Martin Gräßlin.</div>
<div>By Kai Uwe Broulik.</div>
<p style="color: grey;"><i>Updated Dec. 7, 2014, 10:36 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
powerdevil
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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 ports the XRandrBacklight class to XCB.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">The code is adapted from xbacklight, drops the legacy backlight stuff, whatever that is.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">It still uses XSync since xcb_aux_sync yields a linker error here (what did I overlook?). Pretty ugly C stuff (fre...), suggestions on how to improve the code look (nullptr, C++ style casts, etc) welcome.</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;">My hopes were that it would give us a more precise backlight handling but I get a range of 0..10 nonetheless. Other than that seems to work exactly like it did before.</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>daemon/backends/upower/xrandrbrightness.h <span style="color: grey">(873b1f5)</span></li>
<li>daemon/backends/upower/xrandrbrightness.cpp <span style="color: grey">(8e5617d)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/121386/diff/" style="margin-left: 3em;">View Diff</a></p>
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