Review Request 129086: Update applet alternatives menu entry visibility on demand

David Edmundson david at davidedmundson.co.uk
Wed Oct 26 10:50:56 UTC 2016



> On Oct. 26, 2016, 10:36 a.m., David Rosca wrote:
> > This made the Alternatives action visible in toolbox menu.
> > 
> > The problem is that toolbox tries to emit `contextualActionsAboutToShow` on `AppletInterface`, but the connection between `Applet::contextualActionsAboutToShow` and `AppletInterface::contextualActionsAboutToShow` is only one way (signal from `Applet` gets propageted to `AppletInterface`, not the other way).
> > This never worked (emitting `contextualActionsAboutToShow` from plasmoid), but only this change exposed it.
> > 
> > I have no idea how to fix it, other than adding new method to `AppletInterface` to emit this signal or hacky both-way connection.

can we not just set the default visibility of the action to false?
That way if aboutToShow fails, we don't show this.


- David


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On Oct. 3, 2016, 10:45 a.m., David Edmundson wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/129086/
> -----------------------------------------------------------
> 
> (Updated Oct. 3, 2016, 10:45 a.m.)
> 
> 
> Review request for KDE Frameworks and Plasma.
> 
> 
> Repository: plasma-framework
> 
> 
> Description
> -------
> 
> It's reasnoble to expect people to download an applet just before trying
> to change an existing applet using the alternatives system.
> 
> Therefore doing the check that any alternative applets exist during applet initialisation time is semantically
> wrong as the option will be prematurely disabled.
> 
> This patch moves it to be verified in contextualActionsAboutToShow.
> 
> This patch also gives a startup performance boost.
> Loading all the applets metadata takes a small amount of time (~50 milliseconds) not really noticable when you're doing it once, but it adds up when we're doing it for a lot of applets in a row.
> 
> 
> Diffs
> -----
> 
>   src/plasma/applet.cpp 5e278dc69055de0316b49decc08e471081e34b53 
>   src/plasma/private/applet_p.cpp 0f37fe5e3a3c417e079f54b6d8b45fa0051684a5 
> 
> Diff: https://git.reviewboard.kde.org/r/129086/diff/
> 
> 
> Testing
> -------
> 
> Right click on kickoff, option was there and worked
> Right click on system tray, no option
> Locked widges, option wasn't there
> Unlocked widgets, option in kickoff came back
> 
> Context menu still appears "instantly"
> 
> 
> Thanks,
> 
> David Edmundson
> 
>

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