Review Request 120633: restore the "configure environment" combobox in "Open Configuration.../CMake/Advanced"

[Milian Wolff]

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https://git.reviewboard.kde.org/r/120633/#review68630
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I fixed this already, and will discard this review request.

- Milian Wolff


On Oct. 17, 2014, 7:16 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/120633/
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> 
> (Updated Oct. 17, 2014, 7:16 p.m.)
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> 
> Review request for KDevelop.
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> Repository: kdevelop
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> 
> Description
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> The "configure environment" combobox in "Open Configuration.../CMake/Advanced" recently stopped working for me, printing warnings on the terminal:
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> ```
> Object::connect: No such signal KDevelop::EnvironmentSelectionWidget::currentIndexChanged(int)
> Object::connect:  (sender name:   'environment')
> kdevelop(27645)/kdeui (KConfigDialogManager) KConfigDialogManager::parseChildren: Don't know how to monitor widget ' KDevelop::EnvironmentSelectionWidget ' for changes! 
> QCoreApplication::postEvent: Unexpected null receiver
> ```
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> In short: the `EnvironmentSelectionWidget` is not recognised (cannot be used) as a KComboBox when compiling `cmakepreferences.cpp`.
> 
> I noticed this after "downgrading" from the kde4-legacy branch and reinstalling the 4.7/1.7 code pulled from git. Reverting back to the last kde4-legacy build I had installed did not revert functionality however, and indeed I think that it's been a while that validating a change in the cmake environment profile triggered an invocation of the cmake command.
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> Curiously the same `EnvironmentSelectionWidget` works fine in the Make section of the same configuration dialog.
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> I tested a workaround in which I added a function to retrieve the private `KComboBox` pointer from a `EnvironmentSelectionWidget` and use that pointer as the source in the failing connect() call in CMakePreferences::CMakePreferences. 
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> 
> Diffs
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>   projectmanagers/cmake/settings/cmakepreferences.cpp 6db6974 
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> Diff: https://git.reviewboard.kde.org/r/120633/diff/
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> Testing
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> Under OS X 10.6.8 with kdelibs 4.14.2 and kdevplatform 1.7/git, both built with gcc 4.8.3 from MacPorts.
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> With the workaround I still get
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> ```
> kdevelop(64480)/kdeui (KConfigDialogManager) KConfigDialogManager::parseChildren: Don't know how to monitor widget ' KDevelop::EnvironmentSelectionWidget ' for changes! 
> QCoreApplication::postEvent: Unexpected null receiver
> ```
> 
> on the calling terminal, but changing the environment profile now "sticks" and launches cmake.
> 
> 
> File Attachments
> ----------------
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> accompanying patchfile for kdevplatform/util
>   https://git.reviewboard.kde.org/media/uploaded/files/2014/10/17/7edf2d31-45d7-45fd-8432-465d28d3834e__patch-envselwidget.diff
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> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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