Linux: Clicking on track slider fails to display value

[SteveDaulton]

Describe the bug Clicking on the track's Pan or Gain slider should display the current setting of that slider. On Xubuntu it just displays a thin horizontal line.

To Reproduce Steps to reproduce the behavior:

1. Click on a track's Gain or Pan slider
2. Observe that the slider value is not visibly displayed.

Expected behavior The track slider value to be displayed

Screenshots

Additional information (please complete the following information):

• OS: Xubuntu 20.04
• Version: 3.0.4

Additional context Add any other context about the problem here.

[harsha20032020]

Hello @SteveDaulton Can you maybe elaborate more on that issue? Because the slider value is being displayed in the application. I'm working on an Ubuntu 21.04 but with the latest Audacity Version 3.1.0 Alpha.

[SteveDaulton]

Can you maybe elaborate more on that issue?

See where your image displays "Pan: 40% Right" See where my image displays "_____________"

[SteveDaulton]

Same happens with the Play At Speed slider.

Screenshot from audacity-linux-3.1.3-beta-1-x86_64.AppImage Xubuntu 20.04

[SteveDaulton]

Also occurs on the Mixer Toolbar (Reported on the Audacity forum today with Audacity 3.1.3)

[LWinterberg]

@SteveDaulton please retest with the gtk-fix, the tooltips show up for me both in 100% and 200% scaling and they're back to being yellow

[SteveDaulton]

I'm seeing proper tooltips on hover, but still only see a horizontal line on those that appear on click (for example, click on a slider in the Mixer Board, or click on a track's "Gain" slider).

Tested on self-built 3.2.0-alpha, Xubuntu 20.04.