Qt5 wayland gui application

Gerard_Mc

Previously I was using Qt4 running with the -qws option.

I have now changed to Qt5. As I understand it, qws is no longer a supported platform so I'm trying to run my gui application using the wayland compositor.

I have included the Qt5 and qtwayland packages in my custom yocto build. I can run console applications but if I try use the -wayland specifier to run my gui application I get the folowing:

root@beaglebone:~# ./bbb3 -platform wayland
error: XDG_RUNTIME_DIR not set in the environment.
Failed to create display (No such file or directory)

Could someone point me in the right direction?

Thanks.

SGaist

Hi and welcome to devnet,

Did you took a look at the QtWayland Wiki Page ?

Hope it helps

Gerard_Mc

Thanks for the welcome and your quick response.

After some research I discovered that I first need to run the weston compositor before running my application. I included the weston packages in my yocto build and ran it with the following commands:

mkdir -p /tmp/$USER-weston
chmod 0700 /tmp/$USER-weston
export XDG_RUNTIME_DIR=/tmp/$USER-weston
weston --tty=1 --backend=fbdev-backend.so &

Then I successfully ran my QT5 gui application with the wayland platform specifier:

./myQt5App -platform wayland

SGaist

Nice ! Happy coding !