Apps always fullscreen

[sierdzio]

How do you show the widgets/ QWindow? With ::show() or ::showMaximised() maybe?

[migsada]

I don't use showMaximised() or showFullscreen().

MainWindow w;
w.show();

[sierdzio]

Hm, then it's probably the window manager. Are other apps opening in fullscreen, too?

[migsada]

No, I only have LXTerminal opened and it is not in fullscreen, I open midori and it is not opening in fullscreen.
It only happens with QT deployed apps.

[lgeyer]

As far as I know OpenGL on the Pi requires the application to be fullscreen. Maybe this hasn't changed yet.

[ZapB]

Is it using the eglfs QPA plugin? If so that is why.

[migsada]

I think that it's using it, but now i can't check it for a few days

[somnath]

The above same problem i have so what i have to do now?

[agocs]

If your app is not using OpenGL and you are running X11 on the Pi, switch to the xcb platform plugin.

[somnath]

Dear Sir,

our config summary show like this
@
QPA backends:
DirectFB ............. no
EGLFS ................ yes
KMS .................. no
LinuxFB .............. yes
XCB .................. no
Session management ..... yes
@
,so what should have to do me first?

[jeremy_k]

It's possible that the platform plugin being used was built independently of the Qt configure.

QString QGuiApplication::platformName() will tell you what the application is using.