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This is an automatically generated e-mail. To reply, visit:
<a href="http://git.reviewboard.kde.org/r/109611/">http://git.reviewboard.kde.org/r/109611/</a>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120581#file120581line126" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.h</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">void</span> <span class="n">createNewProgramList</span><span class="p">();</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Why is this a slot? It doesn't seem to be used as one? -> make it private.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120581#file120581line134" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.h</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">bool</span> <span class="nf">createNewProgramList</span><span class="p">(</span><span class="n">QString</span> <span class="n">relPath</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">const QString &
Also, don't name this the same as the slot without argument, it's really confusing.
See below for a naming suggestion.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line146" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">public:</pre></td>
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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="n">QStringList</span><span class="o">::</span><span class="n">ConstIterator</span> <span class="n">it</span> <span class="o">=</span> <span class="n">newInstalledPrograms</span><span class="p">.</span><span class="n">begin</span><span class="p">();</span> <span class="n">it</span> <span class="o">!=</span> <span class="n">newInstalledPrograms</span><span class="p">.</span><span class="n">end</span><span class="p">();</span> <span class="o">++</span><span class="n">it</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">begin -> constBegin, end -> constEnd, to avoid detaching.
Or use Q_FOREACH, more readable.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line290" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void ApplicationModelPrivate::fillNode(const QString &_relPath, AppNode *node)</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">showRecentlyInstalled</span> <span class="o">&&</span> <span class="n">_relPath</span><span class="p">.</span><span class="n">isEmpty</span><span class="p">()</span> <span class="o">&&</span> <span class="n">newInstalledPrograms</span><span class="p">.</span><span class="n">count</span><span class="p">())</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">foo.count() -> !foo.isEmpty()</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line294" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void ApplicationModelPrivate::fillNode(const QString &_relPath, AppNode *node)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">newnode</span><span class="o">-></span><span class="n">genericName</span> <span class="o">=</span> <span class="n">QString</span><span class="p">();</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This line serves no purpose (I presume the string is already empty, in the AppNode ctor). Same for other similar lines.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line350" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">void ApplicationModel::setNameDisplayOrder(DisplayOrder displayOrder)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="kt">void</span> <span class="n">ApplicationModel</span><span class="o">::</span><span class="n">setShowRecentlyInstalled</span><span class="p">(</span><span class="kt">bool</span> <span class="n">showRecentlyInstalled</span><span class="p">)</span><span class="ew"> </span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">remove trailing space</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line604" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">bool</span> <span class="n">initialize</span> <span class="o">=</span> <span class="p">(</span><span class="n">d</span><span class="o">-></span><span class="n">seenPrograms</span><span class="p">.</span><span class="n">count</span><span class="p">()</span> <span class="o">==</span> <span class="mi">0</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">d->seenPrograms.isEmpty()</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line606" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="kt">bool</span> <span class="n">seenProgramsChanged</span> <span class="o">=</span> <span class="n">createNewProgramList</span><span class="p">(</span><span class="n">QString</span><span class="o">::</span><span class="n">null</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">QString() for a null string.
QString::null is a Qt3 leftover.
OK, so clearly this is a helper for the slot, separated so it can be recursive. So call this createNewProgramListForPath(), or createNewProgramListHelper()?</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line610" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="o">*</span><span class="p">(</span><span class="o">++</span><span class="n">it</span><span class="p">)</span> <span class="o">=</span> <span class="s">"-"</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">What is "-" for?</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line640" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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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">e</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Can it really be null? Did you see this elsewhere, or did you add it "just in case"?
It seems unnecessary to me.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line644" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">seenProgramsChanged</span> <span class="o">|=</span> <span class="n">createNewProgramList</span><span class="p">(</span><span class="n">g</span><span class="o">-></span><span class="n">relPath</span><span class="p">());</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">|= is a bitwise operator, for booleans you have to write a = foo || a (in this order to avoid shortcut-evaluation).
In this particular case it would be more readable to write
if (createNewProgramList(...))
seenProgramsChanged = true;
(shouldn't this variable be named seenNewPrograms, rather?)</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line649" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">QString</span> <span class="n">shortStorageId</span> <span class="o">=</span> <span class="n">s</span><span class="o">-></span><span class="n">storageId</span><span class="p">().</span><span class="n">replace</span><span class="p">(</span><span class="s">".desktop"</span><span class="p">,</span> <span class="n">QString</span><span class="o">::</span><span class="n">null</span><span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Use QString::remove instead.
But is there any purpose in removing the .desktop, actually? It's part of the storageId, which is the best key to use, I see no reason to do extra string manipulation just to shorten it.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line654" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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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="o">*</span><span class="p">(</span><span class="n">it_find</span><span class="p">)</span><span class="o">==</span><span class="n">shortStorageId</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This whole for() loop could be replaced with something like
index = d->seenPrograms.indexOf(shortStorageId);
no?</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line663" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">d</span><span class="o">-></span><span class="n">seenPrograms</span> <span class="o">+=</span> <span class="n">d</span><span class="o">-></span><span class="n">currentDate</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Why not just use QDate::currentDate here, and remove the member variable?
If this was due to performance, a local variable is enough, IMHO, rather than polluting the class with an extra member var.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line664" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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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">d</span><span class="o">-></span><span class="n">newInstalledPrograms</span><span class="p">.</span><span class="n">indexOf</span><span class="p">(</span><span class="n">s</span><span class="o">-></span><span class="n">storageId</span><span class="p">())</span><span class="o">==-</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">If you don't use the resulting index, then contains() is faster than indexOf().</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line669" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="o">++</span><span class="n">it_find</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This is really an unexpected data structure.
It took me some time to figure out that it's a list where odd and even items don't have the same meaning:
(storageId1, date1, storageId2, date2, ...)
This requires some reverse-engineering skills to understand.
I would have suggested the obvious QHash<QString, QDate>, but I see why you did this: in order to save the list into KConfig.
Well, I would have done the conversion from/to QStringList at the time of the readEntry/writeEntry, but I would have used the QHash for everything else, it makes algorithms much easier to write.
It makes things a bit faster too, since this code (create...) is going to be called every time a desktop file is added/modified, while the KConfig code is only called once on startup and once every time a new desktop file is installed. (but not when desktop files are updated, e.g. make install with new translations).
The indexOf() that I suggested (linear search in the large list of all desktop files) would become a QHash lookup. Major performance improvement.
Maybe the storage to KConfig should be a separate group in fact, rather than one humongous value. It must be huge, no? Two strings per desktop file, all concatenated into one big string... I think I would use a group, and just write
entries into it like desktopId=date. By iterating over the QHash, obviously.
And to avoid bloating up plasmarc, I would even move this to a separate config file.
If parsing the file takes too much time, we could even replace it with a binary cache one day.
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line673" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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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">d</span><span class="o">-></span><span class="n">newInstalledPrograms</span><span class="p">.</span><span class="n">indexOf</span><span class="p">(</span><span class="n">s</span><span class="o">-></span><span class="n">storageId</span><span class="p">())</span><span class="o">==-</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">see above.</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120582#file120582line678" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/core/applicationmodel.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">seenProgramsChanged</span><span class="o">=</span><span class="nb">true</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Space before and after operators (here and on many other lines).</pre>
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<a href="http://git.reviewboard.kde.org/r/109611/diff/1/?file=120583#file120583line564" style="color: black; font-weight: bold; text-decoration: underline;">plasma/desktop/applets/kickoff/simpleapplet/simpleapplet.cpp</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="ew"> </span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Please open your own patch in reviewboard to see trailing slashes, or configure your editor to remove them (on lines that you actually add/modify). At least QtCreator can do this, maybe kdevelop too.</pre>
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<p>- David</p>
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<p>On April 2nd, 2013, 6:07 p.m. UTC, Wolfgang Bauer wrote:</p>
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<div>Review request for kde-workspace.</div>
<div>By Wolfgang Bauer.</div>
<p style="color: grey;"><i>Updated April 2, 2013, 6:07 p.m.</i></p>
<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;">(This comes from a patch included in openSUSE)
This patch makes kickoff remember all the .desktop files it sees (in kickoffrc).
New ones are additionally shown in a seperate submenu named "Recently Installed" (for 3 days).
This can be toggled on and off in the plasmoid's settings.</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;">Created a new .desktop file in ~/.local/share/applications, ran kbuildsycoca4 and the menu "Recently Installed" appeared with this entry.
After logout/login this is still present.
Deleted the .desktop file again, ran kbuildsycoca4 and the menu "Recently Installed" disappeared again.
I have been using the (vanilla KDE) kickoff applet with this patch for about a week now.
Also this patch is already part of openSUSE for several years...</pre>
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<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="http://bugs.kde.org/show_bug.cgi?id=316916">316916</a>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>plasma/desktop/applets/kickoff/applet/applet.cpp <span style="color: grey">(a6f7379)</span></li>
<li>plasma/desktop/applets/kickoff/applet/kickoffConfig.ui <span style="color: grey">(8664ac8)</span></li>
<li>plasma/desktop/applets/kickoff/core/applicationmodel.h <span style="color: grey">(f0f8872)</span></li>
<li>plasma/desktop/applets/kickoff/core/applicationmodel.cpp <span style="color: grey">(57b6ba5)</span></li>
<li>plasma/desktop/applets/kickoff/simpleapplet/simpleapplet.cpp <span style="color: grey">(28fba18)</span></li>
<li>plasma/desktop/applets/kickoff/ui/launcher.h <span style="color: grey">(2a234c3)</span></li>
<li>plasma/desktop/applets/kickoff/ui/launcher.cpp <span style="color: grey">(4425bcc)</span></li>
</ul>
<p><a href="http://git.reviewboard.kde.org/r/109611/diff/" style="margin-left: 3em;">View Diff</a></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">File Attachments </h1>
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<li><a href="http://git.reviewboard.kde.org/media/uploaded/files/2013/04/02/kickoff-settings.png">Settings dialog (kickoff style) with patch</a></li>
<li><a href="http://git.reviewboard.kde.org/media/uploaded/files/2013/04/02/kickoff.png">Plasmoid (kickoff style) showing the "Recently Installed" submenu</a></li>
<li><a href="http://git.reviewboard.kde.org/media/uploaded/files/2013/04/02/classic-settings.png">Settings dialog (classic style) with patch</a></li>
<li><a href="http://git.reviewboard.kde.org/media/uploaded/files/2013/04/02/classic.png">Plasmoid (classic style) showing the "Recently Installed" submenu</a></li>
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