Checkboxes and Radio buttons invisible

[kbknapp]

Using Regolith 1.3 I cannot see checkboxes or radio buttons. If I click where the checkbox should be, they work. They're just invisible.

I changed the theme via gnome-tweaks and the radio boxes show up.

Here is the default Cahuella:

And there same image with Yaru:

Edit: The above images are from CherryTree Notes

[kbknapp]

Also, a co-worker has noticed the same thing on his machine. He was using PrusaSlicer when he noticed it.

[kgilmer]

A spent a bit of time reviewing and tweaking theme values that appear to impact checkbox/radiobuttons. I was unable to make Cherrytree's widgets render properly. I notice there are many problems to the GTK theming, not just checkboxes. I went back to the gtk3-widget-factory tool and notice that these widgets are rendered correctly. Additionally I notice that in other gtk/gnome apps such as gedit, checkboxes are rendered correctly.

At this time I'm not able to root cause this bug. I will leave it open but demote it from R1.3.1 due to no clear path to resolution.

As a short term fix for the apps that are not working properly with Cahuella, I suggest switching to another gtk theme such as Nordic, Arc, or Adwaita.

[donce]

I'm not able to open one application I was able to open before (Pomodoneapp) due to seemingly similar errors:

/usr/share/themes/Cahuella/gtk-2.0/main.rc:145: Unable to locate image file in pixmap_path: "assets/checkbox-unchecked.png"
... 
/usr/share/themes/Cahuella/gtk-2.0/main.rc:145: Unable to locate image file in pixmap_path: "assets/checkbox-unchecked.png"
/usr/share/themes/Cahuella/gtk-2.0/main.rc:147: Overlay image options specified without filename
/usr/share/themes/Cahuella/gtk-2.0/main.rc:153: Unable to locate image file in pixmap_path: "assets/checkbox-unchecked-hover.png"
/usr/share/themes/Cahuella/gtk-2.0/main.rc:155: Overlay image options specified without filename
/usr/share/themes/Cahuella/gtk-2.0/main.rc:161: Unable to locate image file in pixmap_path: "assets/checkbox-unchecked-active.png"
/usr/share/themes/Cahuella/gtk-2.0/main.rc:163: Overlay image options specified without filename
/usr/share/themes/Cahuella/gtk-2.0/main.rc:169: Unable to locate image file in pixmap_path: "assets/checkbox-unchecked.png"
/usr/share/themes/Cahuella/gtk-2.0/main.rc:171: Overlay image options specified without filename
/usr/share/themes/Cahuella/gtk-2.0/main.rc:177: Unable to locate image file in pixmap_path: "assets/checkbox-unchecked-insensitive.png"
/usr/share/themes/Cahuella/gtk-2.0/main.rc:179: Overlay image options specified without filename
...
Gtk-Message: 15:27:27.818: Failed to load module "canberra-gtk-module"

It's a long list of same errors for other files. Looking at the first one - it's a broken symlink, because it links to non-existent file: https://github.com/regolith-linux/Cahuella/blob/master/lib/Nordic/gtk-2.0/assets/checkbox-unchecked.png

So maybe it just needs symlinks fixed?

[kgilmer]

That's a great lead, thanks @donce . It makes sense that the issue would be w/ gtk-2.0 theme files, not 3.0. For Cahella, I copied the gtk-2.0 theme files from the Nordic theme. So, perhaps when I did that copy the symlinks were broken and I did not realize it.

[donce]

I think the problem might be much wider - there are lots of icons and graphics missing all other the system applications, like Files (a bunch if icons missing), Snap Store, which is barely usable but not sure if it's the same issue:

[kgilmer]

Thanks for the details @donce ! Yes, I suspect there are issues with the symlinks that occur during packaging of the files into the debian archive. I am searching for a simple, modern gtk theme that has debian build files. So far I haven't found one. Until I can find something that lets me generate a gtk theme debian package from source I will not be able to address this issue.

POP!_OS has a promising theme package that uses Meson, includes debian packaging scripts, and is modern, however it fails when I try to build it: pop-os/gtk-theme#468