Bug report: Going from PowerPoint to Song/Bible while black breaks preview

dcsymonds

Running OpenLP 3.0.2 on Win11 22H2

If I've got a PowerPoint item in a service, and then black the screen (using .) then use the right arrow to go to a song or bible, the Live preview pane beneath the verses panel gets stuck on the black screen.

Double-clicking on the current item in the service fixes it.

witterholt

Did you try the 3.1rc? Some PowerPoint related issues are fixed in this version.

dcsymonds

I haven't yet. Will try that on another machine.

dcsymonds

Finally got round to loading up 3.1.2 on my home computer so I can check it over, before I it on the computer we use for services.

The bug persists.. in fact even when screen isn't black. and using the down arrow to go from ppt to song (or bible) the preview breaks. (it gets stuck on first slide, rather than black)

My guess is when showing a powerpoint the preview is generated by screengrabbing the main area, and it doesn't switch back to generating internally when navigating with keyboard?

witterholt

@dcsymonds, I've made a fix so that the presentation preview will be visible when the presentation screen is hidden by black, theme or desktop.

Now the behavior is the same for all item types. This fix will be included in the upcoming release.

But I noticed this request is in conflict with https://discuss.openlp.org/d/6780-live-window-does-not-follow-the-selected-output-view.
So maybe a setting will be made for the behavior of the live preview panel to display exactly what is projected.

dcsymonds

@witterholt I think you miss my meaning. If the Live preview shows what's on the screen while the ppt is live, that's good.
The problem is when I use the down arrow to move from a PowerPoint to next item in the service, the live preview stops updating until another change or double-clicking on the current item.

I'll try and get a video if that would help.

dcsymonds

Here we go: https://www.youtube.com/watch?v=57cnpA_xf68

witterholt

@dcsymonds by making sure the live preview panel always shows the output, regarding "show black", "show theme" or "show desktop" is active, your issue is solved and the behavior is now the same as for the other item types.
I tested this by using the same steps you described. In fact it is the same behavior as if you would not black the screen at all and move to the next item after the presentation as far as the live preview panel concerns.