Re: Adding an xfconf enum property and binding it to multiple ui radio buttons

Thank you. I see that you already found my
https://gitlab.xfce.org/panel-plugins/xfce4-pulseaudio-plugin/-/issues/77
and we could continue discussion of the idea there. I have forked the
repo and created
https://gitlab.xfce.org/panel-plugins/xfce4-pulseaudio-plugin/-/merge_requests/12
and we could discuss the code and my implementation failure there.

On Mon, Sep 5, 2022 at 3:24 AM Simon Steinbeiss <[email protected]> wrote:
>
> Hi!
>
> I would suggest continuing this conversation either in a GitLab issue or merge request (https://gitlab.xfce.org/panel-plugins/xfce4-pulseaudio-plugin/-/issues).
>
> I've given you fork rights on gitlab.xfce.org so you can create a merge request.
>
> Cheers
> Simon
>
> On Mon, Sep 5, 2022 at 9:14 AM Sparr <[email protected]> wrote:
>>
>> Hello. This is my first post to the list, and my first time attempting
>> to do development related to Xfce. For my first foray into the
>> codebase, I am trying to implement a new feature in
>> xfce4-pulseaudio-plugin, the panel plugin that commonly provides
>> volume indication and control.
>>
>> My new feature will allow the user to configure the behavior when the
>> panel icon is middle clicked. Specifically, instead of the current
>> behavior of toggling the volume mute, I want to cycle through output
>> devices. I was able to get that specific functionality working without
>> much trouble, and while I would be open to code review now, I expect
>> I'll get plenty of feedback on that when I have this all ready to
>> submit a patch.
>>
>> Here's the code I have so far. The link goes directly to a problematic
>> location, but the previous two commits cover all the code changes I've
>> made so far. https://github.com/sparr/xfce4-pulseaudio-plugin/blob/8a8dc20f300ed86ed3abeb8b66b86fe9870b621c/panel-plugin/pulseaudio-dialog.c#L291
>>
>> Where I've hit a roadblock is in trying to add a configuration
>> property to choose between the two behaviors, and present that in the
>> panel properties GUI. I chose to present the choices as radio buttons,
>> although I understand that a menu or radiomenu could also work. I can
>> see and interact with the radio buttons, but when I select them I see
>> an error in the panel output:
>> "(wrapper-2.0:492812): xfconf-CRITICAL **: 01:11:14.622:
>> IA__xfconf_channel_set_property: assertion 'XFCONF_IS_CHANNEL(channel)
>> && property && G_IS_VALUE(value)' failed". I also note that
>> xfconf-query does not show the existence of the new property
>> ("middle-click-action"). So, my first request for assistance is in
>> figuring out what I've done wrong such that the property isn't being
>> created or updated.
>>
>> My second concern is regarding the very brute force approach I've
>> taken to the GBinding between the radio buttons and the enum property.
>> I wasn't able to find an example of binding multiple UI elements to
>> the same property. It feels like there should be a straightforward way
>> to bind radio buttons to an enum, or checkbuttons to flags. I would
>> appreciate any guidance on this front, although I suspect I can do
>> better on my own if I spend some time building a custom binding
>> implementation.
>>
>> Thanks in advance for any help!
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>
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