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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/126198/">https://git.reviewboard.kde.org/r/126198/</a>
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<p style="margin-top: 0;">On December 4th, 2015, 8:26 a.m. CET, <b>Martin Gräßlin</b> wrote:</p>
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<a href="https://git.reviewboard.kde.org/r/126198/diff/6/?file=420937#file420937line45" style="color: black; font-weight: bold; text-decoration: underline;">src/platformtheme/main_mac.cpp</a>
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(Diff revision 6)
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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">setupXcbFlush</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;">why does the mac platform want to setupXcbFlush?</p></pre>
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<p>On December 4th, 2015, 2:02 p.m. CET, <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;">If it won't ever be signalled "from outside" then no, there's no need to provide the slot at all. (There was a question about this on line 44 ;))</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I take it the moc include is still required because the class derives QObject?</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;">I take it the moc include is still required because the class derives QObject?
sure</p>
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<p>- Martin</p>
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<p>On December 4th, 2015, 2:05 p.m. CET, René J.V. Bertin wrote:</p>
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<div>Review request for KDE Software on Mac OS X, KDE Frameworks and Valorie Zimmerman.</div>
<div>By René J.V. Bertin.</div>
<p style="color: grey;"><i>Updated Dec. 4, 2015, 2:05 p.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
frameworkintegration
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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;">The KdePlatformTheme plugin can be enabled on OS X with a minimal patch to Qt5; all that is required is to include the <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">qgenericunixservices</code> and <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">qgenericunixthemes</code> components in the build, and to append <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">"kde"</code> to the list returned by <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">QCocoaIntegration::themeNames()</code> for instance under the condition that <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">KDE_SESSION_VERSION</code> is set to a suitable value in the environment.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">This will allow KF5 and Qt5 applications to use the theme selected through KDE if FrameworkIntegration is installed and KDE_SESSION_VERSION is set, which seems like a sufficiently specific set of conditions that is easy to avoid by users who prefer to use the Mac native theme.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">While requestion the KDE theme is also possible through <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">-style kde</code> or <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">env QT_STYLE_OVERRIDE=kde</code> the use of the KdePlatformTheme plugin appears to be the only way to get the full theme, including the font and colour selection. In my opinion it is above all the font customisation which is a very welcome feature for Qt/Mac; by default Qt applications use the default system font (Lucida Grande 13pt or even 14pt) throughout. This is a good UI font, but not at that size (and most "native" OS X applications indeed use a range of smaller sizes, depending on role.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">It does have introduce a number of regressions, which the current patch aims to address. The most visible and problematic of these regressions is the loss of the Mac-style menu bar and thus of all menu items (actions).</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">The fix is straightforward : on OS X (and similarly affected platforms?), an instance of the native Cocoa platform theme is created through the private API, and used as a fallback rather than immediately falling back to the default implementations from <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">QPlatformTheme</code>. In addition, methods missing from (not overridden by) <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">KdePlatformTheme</code> are provided on OS X and call the corresponding methods from the native theme. It is this change which restores the menubar and even the Dock menu functionality.
One minor regression remains but should be easy to fix (elsewhere?): the Preferences menu loses its keyboard shortcut (Command-,).</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Given the fallback nature of the native platform instance I have preferred to print a warning rather than using something like <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">qFatal</code>, above all because the message printed by qFatal tends to get lost on OS X. I can replace my use of <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">qWarning</code> with a dialog giving the choice between continuing or exiting the application - code that would be called in the menu methods because only there is it certain that the application actually needs a menubar.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">In line with experience and feedback from the KDE(4)-Mac community I have decided to force the use of native dialogs rather than the ones from the KdePlatformPlugin.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">In addition I set the fallback value for <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">ShowIconsOnPushButtons</code> to false in line with platform guidelines, and ensure that the autotests are not built as app bundles.</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;">On Mac OS X with Qt 5.5.1, KF5 frameworks 5.16.0 and QtCurve git/head.</p>
<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">I have not verified to what extent my use of a private <code style="text-rendering: inherit;color: #4444cc;padding: 0;white-space: normal;margin: 0;line-height: inherit;">QGuiApplication</code> API links builds to a specific Qt version (I consider that nothing shocking and a minor price to pay).</p>
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<p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Do I need to add some glue to the CMake file so that it will warn if the private headerfiles are not available? Apparently no changes were required to find them.</p>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>src/platformtheme/CMakeLists.txt <span style="color: grey">(23f590e)</span></li>
<li>src/platformtheme/kdemactheme.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/platformtheme/kdemactheme.mm <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/platformtheme/kdeplatformtheme.h <span style="color: grey">(97d09df)</span></li>
<li>src/platformtheme/kdeplatformtheme.cpp <span style="color: grey">(80dbcb7)</span></li>
<li>src/platformtheme/kfontsettingsdata.h <span style="color: grey">(4b92c7d)</span></li>
<li>src/platformtheme/kfontsettingsdata.cpp <span style="color: grey">(b0a4bbf)</span></li>
<li>src/platformtheme/kfontsettingsdatamac.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/platformtheme/kfontsettingsdatamac.mm <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/platformtheme/khintssettings.h <span style="color: grey">(ec064d3)</span></li>
<li>src/platformtheme/khintssettingsmac.h <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/platformtheme/khintssettingsmac.mm <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/platformtheme/main_mac.cpp <span style="color: grey">(PRE-CREATION)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/126198/diff/" style="margin-left: 3em;">View Diff</a></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">File Attachments </h1>
<li><a href="https://git.reviewboard.kde.org/media/uploaded/files/2015/11/30/650d0da7-52b3-40d1-a1f9-cb610494cf77__Screen_Shot_2015-11-30_at_15.42.31.png">purely native OS X theme</a></li>
<li><a href="https://git.reviewboard.kde.org/media/uploaded/files/2015/11/30/72e2a6aa-2a7c-465b-b404-fc1e52b6fc69__Screen_Shot_2015-11-30_at_15.43.02.png">native theme but with `-style kde`</a></li>
<li><a href="https://git.reviewboard.kde.org/media/uploaded/files/2015/11/30/309e5995-74fa-42fb-a6f3-936cedbf5246__Screen_Shot_2015-11-30_at_15.43.31.png">using the KDEPlatformTheme</a></li>
<li><a href="https://git.reviewboard.kde.org/media/uploaded/files/2015/11/30/eaa1d907-bf05-4ca2-821b-83dc062aea04__QtCreatorNativeLNX.png">on Linux, using a purely "native" theme</a></li>
<li><a href="https://git.reviewboard.kde.org/media/uploaded/files/2015/12/01/de55a91f-3500-4db8-8a3b-d252fd7ea169__Screen_Shot_2015-12-01_at_13.52.35.png">KDEPlatformTheme with the "macintosh" native theme selected</a></li>
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