Workspace number at changes -- system freeze

[rasatpc]

• Fvwm3 version (run: fvwm3 --version)
  fvwm3 1.1.0 (released)

Expected Behaviour

This config has worked well until fvwm3 1.1.0 release.
https://fvwmforums.org/t/any-idea-to-display-the-workspace-number-at-changes/1822/6

It was copied and modified to a PageIndicator script.
https://github.com/rasatpc/Fvwm-KISe/blob/main/core/1Functions/PageIndicator/deskPgNo.sys

Fvwm3 1.1.0 makes FvwmPager flicker and freezes the system for a few seconds. Any action freezes the whole system.

I have not been able to pinpoint the issue, but it seems to do with Module FvwmEvent

Is it a bug or a config error?

[ThomasAdam]

Hi @rasatpc

Yes, it's a bug. I think I need to check the DesktopSize broadcast module issue as this implicitly sends a M_NEW_PAGE packet each time.

That being said, the way you've written this panel is written to spawn itself on a new_page event each time seems weird to me. I would instead use a single sticky FvwmButtons instance, and use SendToModule to change the button's text.

[ThomasAdam]

@rasatpc

Please can you try compiling fvwm3 on the ta/gh-997 branch? Hopefully that fixes this problem for you.

[rasatpc]

fvwm3 on the ta/gh-997 branch

Slightly better with milder freeze.

• Menu (left-click) appears, not previously due to freeze.
• FvwmPager flickers.
• FvwmPager mini-window shows modules on the desk. Doesn't read the option...
  *FvwmPager: UseSkipList (hides modules)

[ThomasAdam]

So it does help?

Good.

Whatever you're referring to re UseSkipList, has nothing to do with this issue.

[rasatpc]

Slight help, but still freezes,

Ok, UseSkipList I check later after this system freeze is solved.

[ThomasAdam]

I don't have any freezes here.

Can you see if there's other factors here which could be contributing to this?

[rasatpc]

Earlier I test with all Kise configs.
Now, default config with RightPanel.
FvwmConsole:
Read deskPgNo.sys

RightPanel's FvwmPager mini-windows are shaking, stops and system freeze.

Did you make any new changes in ta/gh-997 in 3 hours?

[ThomasAdam]

No, but I have just pushed another fix on that branch -- please git pull and try again.

Note also that your config example is still going to spawn a new FvwmButtons each time there's a new_page event. You should rewrite it per my earlier suggestion -- until you do, you will notice flickering as fvwm is trying to deal with that.

[rasatpc]

Thank you, the Page Indicator works fine.

use a single sticky FvwmButtons instance, and use SendToModule to change the button's text.

I don't understand those technical words. Will ask tomorrow. It is late here in Helsinki.... 01:35. Good night.