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Whenever Okular is fullscreen, there is no way to make Onboard remain on top of Okular. This behavior makes it impossible to annotate a fullscreen document (opened in Okular) in a touch screen tablet without a keyboard. It is also hard to exit the fullscreen mode ( ctrl + Shift + f ) in a tablet.

How to force onboard remain on top of fullscreen apps like Okular?

In this image, Okular is full screen, and the icon to open onboard is visible. First image

The second image shows that as soon as I click/tap the icon to open onboard, it goes behind the fullscreen Okular window.

enter image description here

Now there is no way to either annotate a document, or get out of the fullscreen mode without a keyboard (e.g. in a tablet).

After closing Okular (with keyboard), Onboard is visible. enter image description here

I am using Lubuntu 22.04.1.

Archisman Panigrahi
  • 38,814

1 Answers1

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Open Onboard Settings and select "Window". enter image description here Uncheck "Dock to screen edge". Now, the "Force window on top" checkbox becomes active. Select it.

However, now onboard becomes a small window floating in the middle of the screen. To fix it, move onboard to the bottom of the screen (or your preferred position), and resize the virtual keyboard size it appropriately.

End results

enter image description here

Archisman Panigrahi
  • 38,814