Box with desktop background color around Simdock

[probonopd]

Running Simdock-41df87a-x86_64.AppImage on Xubuntu bionic Live ISO, a box with desktop background color appears around Simdock:

[onli]

That's the pseudo-transparency. I tried to activate wxwidgets compositing support in the last round of fixes, as described in https://docs.wxwidgets.org/trunk/classwx_window.html#af14f8fd2ed2d30a9bbb5d4f9fd6594ec, but it didn't work. I don't think this can be improved right now, or do you have an idea what simdock could do better here?

My workaround is to use IceWMs "do not cover" flag via winoptions. _NET_WM_STRUT_PARTIAL could be a more general alternative, reserving the space for simdock only.

[probonopd]

Unfortunately I don't know how to solve this - maybe by using Qt instead of WxWidgets?

[onli]

Maybe. I'll mark this as enhancement.

[onli]

#15 solves this now :)

[probonopd]

Could this have been due to it running from an AppDir/AppImage?

[onli]

No, this was just how pseudo transparency works. Simdock had no real transparency before, so it could not paint anything but the background in this situation. Not the fault of the AppImage :)

And the real transparency also did not work with the simple native version, the old wxWidget was just broken there I think.

[onli]

I will close this now. The original issue was explained, and composited transparency is at hand as an alternative.