Review Request 128880: [OS X] use a different tab bar widget for tabbed documents

[René J.V. Bertin]

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> There is still some weirdness behind the tabs which looks like a misaligned well or frame. I'd love to get that right too.

I think that's caused by `UnderlinedLabel::paintEvent()`.

What does that paint routine do, just draw a (hair)line under the text label? I can't say it makes a lot of difference when I remove the whole block before KSqueezedText::paintEvent() is called...

- René J.V. Bertin


On Sept. 12, 2016, 3:20 p.m., René J.V. Bertin wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/128880/
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> 
> (Updated Sept. 12, 2016, 3:20 p.m.)
> 
> 
> Review request for KDE Software on Mac OS X and KDevelop.
> 
> 
> Bugs: 363473
>     http://bugs.kde.org/show_bug.cgi?id=363473
> 
> 
> Repository: kdevplatform
> 
> 
> Description
> -------
> 
> This is a potential fix for an issue raised on BKO: https://bugs.kde.org/show_bug.cgi?id=363473
> 
> It's also the most complete/implementation:
> - applies only when the Macintosh widget style is being used
> - if so, creates a QStyle object for the Fusion widget style
> - when successful, sets the `Sublime::ContainerTabBar` to use that style
> 
> This solves all issues stemming from Qt's use of a "native" widget that is intended only for use in dialogs and not in tabbed document interfaces.
> 
> In my testing, the `ContainerTabBar` ctor is called only rarely, apparently only when changing views (e.g. code -> patch review and back again, or code -> debug). If that observation is correct, use of a global `qTabBarStyle` variable is justified (but more elegant solutions might exist). This observation also justifies (IMHO) the check for the active application style rather than using an `#ifdef Q_OS_OSX` or even applying the fix across all platforms and application styles. That is certainly a possibility that doesn't lead to any shocking style mismatches in my eyes. It does cause some loss of compactness when using my QtCurve settings, which is why I added the style check; a small cost as a gesture to users of a highly configurable style.
> 
> There is still some weirdness behind the tabs which looks like a misaligned well or frame. I'd love to get that right too.
> 
> 
> Diffs
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> 
>   sublime/container.cpp 478606d 
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> Diff: https://git.reviewboard.kde.org/r/128880/diff/
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> 
> Testing
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> See https://bugsfiles.kde.org/attachment.cgi?id=99160 (unpatched) and the last series of screenshots attached to the ticket on BKO. They show the fix applied to various styles on OS X.
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> 
> File Attachments
> ----------------
> 
> background: pure Breeze theme. Foreground: Breeze with the QTabBar set to Fusion
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/09/12/3fbb5571-8fb7-4af7-b6d5-eb1d9b32cea1__tabbar-breeze-with-fusion.png
> Background: pure QtCurve<OS X Graphite>. Foreground: QtCurve<OS X Graphite> with QTabBar set to Fusion
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/09/12/b1bc9406-4f98-4920-832b-2728aa9d2ee2__tabbar-breeze-with-qtcurve.png
> Tabbed document interface in native OS X applications
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/09/12/5790c412-566c-42bc-83b5-efbec458d711__MacNativeTabs.png
> pure native Macintosh style with Fusion QTabBar
>   https://git.reviewboard.kde.org/media/uploaded/files/2016/09/12/0a98cc35-dad4-439c-af91-51ffc14e21b0__MacNative-QTabBarFusion.png
> 
> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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