Does Kwin script's callDBus support a{sv} argument type?

[Nicolas Fella]

Hi,

a very blind guess, not really tested: Try putting quotes around count,
i.e. { "count-visible": true, "count": 1 }

Cheers

Nico

On 3/10/21 12:43 PM, Phương Lê Hoàng wrote:
> Hi all,
>
> I'm writing a Kwin script to automatically set an unread count badge
> to an app's launcher icon by parsing its title.
>
> I'm stuck at the part where I need to call an DBus API, but always get
> "Received D-Bus message is error". I appreciate any help to show me
> where I got it wrong, or callDBus just doesn't support passing a{sv}
> argument yet.
>
> This is the method that I need to call:
> https://wiki.ubuntu.com/Unity/LauncherAPI#Low_level_DBus_API:_com.canonical.Unity.LauncherEntry
> <https://wiki.ubuntu.com/Unity/LauncherAPI#Low_level_DBus_API:_com.canonical.Unity.LauncherEntry>
>
> I can use gdbus and it successfully update the launcher's icon badge:
>
> gdbus emit --session --object-path
> /com/canonical/unity/launcherentry/1 --signal
> com.canonical.Unity.LauncherEntry.Update
> "application://chrome-ebcgcbpjedmohalnmiodnfidggpfcehe-Default.desktop"
> "{'count-visible': <true>, 'count': <2>}"
>
> But when I attempt to use callDBus in my script, it fails:
>
> callDBus(
>   "com.canonical.Unity", // Service
>   "/com/canonical/unity/launcherentry/1", // Path
>   "com.canonical.Unity.LauncherEntry", // Interface
>   "Update", // Method
> "application://chrome-ebcgcbpjedmohalnmiodnfidggpfcehe-Default.desktop",
>   { "count-visible": true, count: 1 }
> );
>
> I tried to read the source code of callDBus and failed to understand
> whether it supports a{sv} or not, since I'm not familiar with Qt and C++.
> https://invent.kde.org/plasma/kwin/-/blob/master/src/scripting/scripting.cpp#L253
> <https://invent.kde.org/plasma/kwin/-/blob/master/src/scripting/scripting.cpp#L253>
>
> Thanks in advance for any help.
> Regards,
> Le Phuong