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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/120149/">https://git.reviewboard.kde.org/r/120149/</a>
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<p style="margin-top: 0;">On September 17th, 2014, 8:13 p.m. CEST, <b>Pino Toscano</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/120149/diff/3/?file=312869#file312869line150" style="color: black; font-weight: bold; text-decoration: underline;">kdeui/actions/kaction.cpp</a>
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(Diff revision 3)
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool KAction::event(QEvent *event)</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="k">static</span> <span class="kt">void</span> <span class="n">setTextWithCorrectMenuRole</span><span class="p">(</span> <span class="n">KAction</span> <span class="o">*</span><span class="n">action</span><span class="p">,</span> <span class="k">const</span> <span class="n">QString</span> <span class="o">&</span><span class="n">text</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="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">// texts containing "config, options, setup, settings or preferences" will get PreferencesRole</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="c1">// from Qt unless they have a role set. We prevent that, because KDE has its own way of</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">// defining a the application preferences menu ("Configure <appName>") which should go under the OS X Preferences menu.</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="c1">// But when a KAction is created with the standard preferences title ("Configure <appName>..."), this action</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">// is set to PreferencesRole .</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">// The compare actions using QMenuBar::tr are copied from Qt's own qmenu_mac.mm :</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">action</span><span class="o">-></span><span class="n">setText</span><span class="p">(</span><span class="n">text</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="k">const</span> <span class="n">KAboutData</span> <span class="o">*</span><span class="n">aboutData</span> <span class="o">=</span> <span class="n">KGlobal</span><span class="o">::</span><span class="n">mainComponent</span><span class="p">().</span><span class="n">aboutData</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="n">QString</span> <span class="n">appName</span> <span class="o">=</span> <span class="n">i18n</span><span class="p">(</span> <span class="s">"%1..."</span><span class="p">,</span> <span class="p">(</span><span class="n">aboutData</span><span class="p">)</span> <span class="o">?</span> <span class="n">aboutData</span><span class="o">-></span><span class="n">programName</span><span class="p">()</span> <span class="o">:</span> <span class="n">qApp</span><span class="o">-></span><span class="n">applicationName</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">if</span><span class="p">(</span> <span class="n">text</span><span class="p">.</span><span class="n">startsWith</span><span class="p">(</span><span class="n">QMenuBar</span><span class="o">::</span><span class="n">tr</span><span class="p">(</span><span class="s">"Config"</span><span class="p">).</span><span class="n">toLower</span><span class="p">())</span> <span class="o">||</span> <span class="n">text</span><span class="p">.</span><span class="n">startsWith</span><span class="p">(</span> <span class="s">"&"</span> <span class="o">%</span> <span class="n">QMenuBar</span><span class="o">::</span><span class="n">tr</span><span class="p">(</span><span class="s">"Config"</span><span class="p">).</span><span class="n">toLower</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">if</span><span class="p">(</span> <span class="n">text</span><span class="p">.</span><span class="n">endsWith</span><span class="p">(</span><span class="n">appName</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="n">kDebug</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"### Setting QAction::PreferencesRole from"</span> <span class="o"><<</span> <span class="n">action</span><span class="o">-></span><span class="n">menuRole</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"for menuAction with text"</span> <span class="o"><<</span> <span class="n">text</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">action</span><span class="o">-></span><span class="n">setMenuRole</span><span class="p">(</span><span class="n">QAction</span><span class="o">::</span><span class="n">PreferencesRole</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="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">else</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">kDebug</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"### Setting QAction::NoRole from"</span> <span class="o"><<</span> <span class="n">action</span><span class="o">-></span><span class="n">menuRole</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"for menuAction with text"</span> <span class="o"><<</span> <span class="n">text</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">action</span><span class="o">-></span><span class="n">setMenuRole</span><span class="p">(</span><span class="n">QAction</span><span class="o">::</span><span class="n">NoRole</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="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="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">else</span> <span class="k">if</span><span class="p">(</span> <span class="n">text</span><span class="p">.</span><span class="n">contains</span><span class="p">(</span><span class="n">QMenuBar</span><span class="o">::</span><span class="n">tr</span><span class="p">(</span><span class="s">"Options"</span><span class="p">).</span><span class="n">toLower</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="o">||</span> <span class="n">text</span><span class="p">.</span><span class="n">contains</span><span class="p">(</span><span class="n">QMenuBar</span><span class="o">::</span><span class="n">tr</span><span class="p">(</span><span class="s">"Setup"</span><span class="p">).</span><span class="n">toLower</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="o">||</span> <span class="n">text</span><span class="p">.</span><span class="n">contains</span><span class="p">(</span><span class="n">QMenuBar</span><span class="o">::</span><span class="n">tr</span><span class="p">(</span><span class="s">"Settings"</span><span class="p">).</span><span class="n">toLower</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="o">||</span> <span class="n">text</span><span class="p">.</span><span class="n">contains</span><span class="p">(</span><span class="n">QMenuBar</span><span class="o">::</span><span class="n">tr</span><span class="p">(</span><span class="s">"Preferences"</span><span class="p">).</span><span class="n">toLower</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="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">kDebug</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"### Setting QAction::NoRole from"</span> <span class="o"><<</span> <span class="n">action</span><span class="o">-></span><span class="n">menuRole</span><span class="p">()</span> <span class="o"><<</span> <span class="s">"for menuAction with text"</span> <span class="o"><<</span> <span class="n">text</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;">The whole setTextWithCorrectMenuRole is totally broken from an i18n point of view:<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
- we don't use Qt's tr() in kdelibs<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
- mess up an already translated string is totally no-no, you don't know what it will contain<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
- you cannot translate single bits of messages as standalone messages, they can have a different declension</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Honestly, I don't see a way to make this marking as "preferences role" automatic, based on the action text. Unless there's something I'm missing, the only solution left is to mark such application-specific preferences actions as such.</p></pre>
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<p>On September 17th, 2014, 10:24 p.m. CEST, <b>René J.V. Bertin</b> wrote:</p>
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<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;">Please see my reply to Ian's comment all at the top. It contains a copy of Qt's "heuristic" code. I copied that code in the you tripped over in order to undo its (and only its) effect (i.e. to do a very targeted <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">setMenuRole(NoRole)</code>. There is an additional step, an attempt to be able to do <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">setMenuRole(PreferencesRole)</code> when appropriate. That's an attempt I made, and I'll gladly accept that it's guaranteed not to work in all possible languages.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">@pino: do your remarks apply to my bit of code only or also to the code copied from Qt? I've opened a ticket about this whole "feature" but would love to be able to make a stronger case than possible with my educated guessing (pun not really intended). I'd also be fine with initialising the menu role to <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">NoRole</code> (unconditionally or on OS X only), but that as long as Qt doesn't incorporate this, that will only introduce a larger gap between KDE4 and KF5 (where KAction is no longer there to override unwanted QAction features).</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Note also that Qt5 actually <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">extends</em> the guesstimating to the Cut, Copy, Paste and SelectAll menu roles ...</p></pre>
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<p>On September 17th, 2014, 11:07 p.m. CEST, <b>Pino Toscano</b> wrote:</p>
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<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;">Yes, I think that heuristic is plain wrong, whichever place it is. I don't see "Qt does it" as reason to introduce <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">broken</em> code in kdelibs as well.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">From what I see, KStandardAction::create sets proper roles for some kind of actions, so either:<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
a) such "standard" action types get created using KStandardAction::create, and them customizing the resulting action<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
b) actions have the proper role set manually</p></pre>
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<p>On September 17th, 2014, 11:53 p.m. CEST, <b>René J.V. Bertin</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;">We agree on that (indeed, items created through KStandardAction get the appropriate role). I'm testing a version that simply does <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">setMenuRole(NoRole)</code> in <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">setTextWithCorrectMenuRole()</code> to see what that gives combined with my patched Qt version that doesn't guess AboutRole and PreferencesRole.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">If that gives acceptable and expected behaviour, we'll have to sit back and wait to see what Qt will do with my bug report, and then take proceed from there. I presume there must be an appropriate place somewhere during the KDE initialisation (KDE4 or KF5) where one can configure Qt, for instance?</p></pre>
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<p>On September 18th, 2014, 12:11 a.m. CEST, <b>Thomas Lübking</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;"><blockquote style="text-rendering: inherit;padding: 0 0 0 1em;border-left: 1px solid #bbb;white-space: normal;margin: 0 0 0 0.5em;line-height: inherit;">
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I presume there must be an appropriate place somewhere during the KDE initialisation</p>
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">You'd have some Qt::AA_MacNoMurkyActionRoleHeuristics and set it on eg. the KFrameworkIntegrationPlugin constructor - though maybe it should rather only be done when calling KStandardActions::create(), to avoid hitting applications which make no use of the standard actions.</p></pre>
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<p>On September 18th, 2014, 1:18 a.m. CEST, <b>René J.V. Bertin</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'm guessing KFrameworkIntegrationPlugin is the KF5 name, there probably is a KDE4 equivalent?</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I think it has to be called at the very beginning. Not just because otherwise Qt may have already picked a PreferencesRole action before KStandardActions items start getting created, but also because I fail to see why one would let applications which make no use of standard actions be hit with such actions by Qt ... After all, they either deal out MenuRoles themselves, or they have a good reason not doing so.</p></pre>
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<p>On September 18th, 2014, 1:57 a.m. CEST, <b>Thomas Lübking</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;">kde-workspace/qguiplatformplugin_kde/qguiplatformplugin_kde.cpp</p></pre>
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<p>On September 18th, 2014, 2:36 a.m. CEST, <b>René J.V. Bertin</b> wrote:</p>
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<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;">That's interesting, I'd have expected this kind of parameters to be set during initialisation of the most basic KDE component (kdelibs, in KDE4). Standard KDE for OS X doesn't even include kde-workspace ...<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
To be honest, that qguiplatformplugin looks more like part of the control module available through <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">system settings</code>, am I mistaken?</p></pre>
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<p>On September 18th, 2014, 8:54 a.m. CEST, <b>Thomas Lübking</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;">there is no "most basic kde component" - at best KApplication (but that's deprecated for KF5 and there's afaik no guarantee a "KDE" application, ie. using some random kdelibs functionality, does not use QApplication in KDE4 either)</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">The qguiplatformplugin otoh is invoked by every Qt gui application - though you might indeed rather wish to operate on the mac platform plugin?</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">in the end, it depends on the scope and the requirements to impact this value - Qt might also just operate on an environment variable if the implementation is so inflexible that it cannot be controlled at runtime.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">otherwise i'd frankly just expect any <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">real</em> preferences role action to simply trump heuristically ones at any time (and no option to control such which would depend on what context anyway?)</p></pre>
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<p>On September 18th, 2014, 9:40 a.m. CEST, <b>René J.V. Bertin</b> wrote:</p>
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<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 was thinking of handling this one the way the Qt setting to disable icons in menus is handled. (Raging shame that never made it to qtconfig controlled settings and even more that that tool is absent from Qt5!)</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">As to trumping or overriding: that's not impossible, but it takes explicit action. The menurole is acted upon when a QAction is added to a QMenu. Or, in this context, when it's supposed to be added to a given QMenu but in reality is added to one the application doesn't even know about. You know better than I if menus are indeed built that way, incrementally and whether there are mechanisms to remove an item from a menu without rebuilding it completely. Supposing it is, it would still require knowledge of what QMenu that QAction <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">should have been</em> added to, and Qt doesn't store that info. That and the fact menus are built incrementally are likely reasons why the heuristic choice isn't changed once it's been made (that, or the author never considered the guess could be wrong).<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
So, no, setting the <em style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">real</em> preferences role action does not override/trump the heuristically guessed one. Which is why we're having this whole discussion in the 1st place, because otherwise an application that uses KStandardActions properly (like KDevelop) would not have ended up with a very wrong Preferences action...</p></pre>
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<p>On September 23rd, 2014, 10:34 p.m. CEST, <b>Thomas Lübking</b> wrote:</p>
<blockquote style="margin-left: 1em; border-left: 2px solid #d0d0d0; padding-left: 10px;">
<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;">So the entry is not cloned to the special position but moved there?<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
Ie. my menu I just added 10 items to ends up having only 9?<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
And if I tell a user do open "Edit/Settings..." there's no such item?</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Splendid idea m(</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">If the item was cloned, the solution was of course simple, but if it's move (so the information is destroyed) it becomes more tricky.<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
Of course one could store original menu and index (or the "before" item) but there's just as much zero guarantee, that the item wasn't re/moved entirely in the meantime.</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;"><blockquote style="text-rendering: inherit;padding: 0 0 0 1em;border-left: 1px solid #bbb;white-space: normal;margin: 0 0 0 0.5em;line-height: inherit;">
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">So the entry is not cloned to the special position but moved there?<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
Ie. my menu I just added 10 items to ends up having only 9?</p>
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Yep</p>
<blockquote style="text-rendering: inherit;padding: 0 0 0 1em;border-left: 1px solid #bbb;white-space: normal;margin: 0 0 0 0.5em;line-height: inherit;">
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">And if I tell a user do open "Edit/Settings..." there's no such item?</p>
</blockquote>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Indeed (but that's most always the case, in KDE at least ;) ... you'd want to point the user to "Settings/Configure BloodyMary...").<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
And as described above, when you point the user to the Preferences menu there's always the possibility that that action does something completely different. Imagine a partition editor that has an action badly translated to "Configure partition map" that actually overwrites your disk's current partition table ...</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">There are all kinds of workarounds but they'd require either overloading QMenu (see my attempts in this RR) or patching Qt. </p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">And in Qt5 Digia have added yet more guesses to their feature, to find the application's Cut, Copy, Paste and Select-All actions. That's only to be able to provide keyboard shortcuts for those actions when a file dialog is open so the intention is more laudable than complying with platform menu layout guidelines. But it still relies on text matching (full string, 1-2 word patterns here), while I have a hunch that most applications do not create those actions explicitly.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">BTW: there's no qguiplatformplugin for OS X as we don't support the Plasma workspaces. The only comparable thing is part of Qt ...<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
What about kdemain? I haven't completely figured out how this all comes together; I've seen apps that call kdemain from their own main function but also apps that have kdemain instead of main. What's the entrypoint in those apps?</p></pre>
<br />
<p>- René J.V.</p>
<br />
<p>On September 17th, 2014, 7:48 p.m. CEST, René J.V. Bertin wrote:</p>
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<div>Review request for KDE Software on Mac OS X, kdelibs, KDEPIM, Marco Martin, and Olivier Goffart.</div>
<div>By René J.V. Bertin.</div>
<p style="color: grey;"><i>Updated Sept. 17, 2014, 7:48 p.m.</i></p>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt;">Repository: </b>
kdelibs
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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 review is for 2 sets of changes; an initial one to the way "system tray" are rendered, and a newer set that protects the Preferences menu from getting linked to any action with an appropriate title.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">-- the system tray:<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
Until now, "system tray" menus had some rendering issues on Mac OS X:</p>
<ul style="padding: 0;text-rendering: inherit;margin: 0 0 0 1em;line-height: inherit;white-space: normal;">
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">The menu title, the 1st menu item that on Linux shows the application name, remained empty</li>
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">Menu items that can (in principle, potentially) show an icon always showed the icon</li>
</ul>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Point 1 was resolved by emulating the Linux addTitle/setTitle action in <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">KStatusNotifierItemPrivate::init()</code> : the menu title is implemented as a deactive standard menuitem followed by a separator. This makes the item stand out on a GUI that doesn't support the kind of formatting in menus as used in the Linux implementation.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Point 2 was identified as a Qt issue: <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">isIconVisibleInMenu</code> is ignored for systray menus. It was resolved by adding <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">KMenu::addAction</code> methods that overload the ones from QMenu that were hitherto inherited unchanged by KMenu. The only different method is <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">addAction(QAction*)</code> which removes the icon from the <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">QAction</code> if <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">isIconVisibleInMenu()</code> is false. The other <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">addAction</code> methods are "overloaded with themselves" with <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">using QMenu::addAction;</code> in the header file.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">-- the Preferences menu item<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
This is a menu item living in the Application menu, a menu that sits in the menubar between the Apple (?) menu and the File menu. This menu also contains the Quit command.<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
KDE and Qt applications typically do not set up their menus in this fashion, so Qt provides an automatic way to put relevant menu items (actions) in the Application menu, using Apple's naming. The algorithm is described under QMenuBar in the Qt documentation: for the Preferences action, it will consider any action that has a text containing <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">config</code>, <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">options</code>, <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">settings</code> or <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">preferences</code>, and put it under the Preferences label if its menu role is set to <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">heuristic</code> (which appears to be the default).<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
In practice, many applications provide a series of menu actions with names that trigger this method, and they do not always create their own preferences/settings/configuration menu first. Yet it is the first menu action that matches that will be installed under the Preferences menu, with the Command-, shortcut. A good example is KDevelop: it will have a Preferences menu that activates the <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">Configure Selection</code> action - which does not open a settings dialog but launches the configure or cmake procedure for the selected project ...</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">My proposed solution overrides this Qt behaviour. On OS X, the <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">KAction(const QString &text, QObject *parent)</code> constructor calls a modified (static) function <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">setTextWithCorrectMenuRole</code> which checks the text against the patterns Qt will consider for <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">PreferencesRole</code>. If it finds a match, it will force the role to <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">NoRole</code>, unless it is a perfect match with the standard KDE configuration action for the application (<code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">"&Configuration appName..."</code>) in which case it sets the role to <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">PreferencesRole</code>. This latter consideration allows kdelibs to "catch" the configuration menu for applications like KMail, which appear not to be created using KStandardActions.<br style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;" />
This approach can be extended to other menu actions that end up incorrectly in the OS X Application menu.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Applications that create menu actions using QAction or a different KAction constructor will see no change (and should use <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">setMenuRole</code> selectively on OS X).</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;">Testing was done with kdelibs git/master and KDE/MacPorts on OS X 10.6.8 . The modified code is in compile-time conditional blocks used only on OS X, so no regressions are to be expected on other platforms.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">KF5 is not production ready on OS X, so I am not currently able to port these modifications beyond KDE4. However, I did see that Qt5 has a new approach to adding titles to menus, which can be described as a "labelled separator". Backporting that function from the Qt5 source to kdelibs gave menu items that had the separator but not the text (title) label. It is thus likely that some kind of emulation will also be required with KF5, on OS X.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I considered doing the addTitle/setTitle emulation in kmenu.cpp, but decided against that for now. Menu titles are rendered as under Linux in menus that are not attached to the OS X toplevel menubar (say in context menus). Without knowing how to distinguish the kind of menu in KMenu methods the emulation will have to remain in the client code.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">The Preferences menu protection should carry over easily to KF5, supposing Qt5 uses the same heuristics to place relevant menu actions under the OS X application menu, and supposing <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">KAction</code> has made the transition to KF5.</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>kdeui/actions/kaction.cpp <span style="color: grey">(9e8f7fb)</span></li>
<li>kdeui/notifications/kstatusnotifieritem.cpp <span style="color: grey">(1b15d40)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/120149/diff/" style="margin-left: 3em;">View Diff</a></p>
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