[Themes] How to remove second window icon in panel

The Glassy theme and many other themes show a special icon on an app in the “Icons-only Task Manager” within a desktop panel to signify a second window for the application the icon is appearing for.

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In the image above, you can see a plus symbol with a circular light blue background for Librewolf and Vivaldi. Those two applications have two windows opened. You can also see what it would look like when there is only one window where the obsidian application is. Other Global themes might have a plus symbol with a circular light green background, an arrow head, or a thicker border below/above the application to signify more than one windows.

Goal: Remove the blue plus icon from my theme so it doesn’t appear anymore.

Potential Solutions & Challenges:

  • Delete the svg of the plus icon. However, I could not find this anywhere in the desktoptheme or look-and-feel folder of the Glassy theme.
  • Find where the panel background qml is stored for the panel’s design. However, I couldn’t find any qml files in the Glassy theme folder or any other theme folder except for the default global themes that came with my distribution.

Relevant Directories:
Default Distro Global Themes:

  • /usr/share/plasma/desktoptheme/
  • /usr/share/plasma/look-and-feel/
    Installed Global Themes:
  • /home/enriquetmt/Local/share/plasma/desktoptheme/Glassy/
  • /home/enriquetmt/Local/share/plasma/look-and-feel/Glassy/

Help Request: I’d like to know where exactly do installed global themes store the layout or design code for the panel or at the very least, where I can find that blue plus circle icon as a quick solution. I’m somewhat new to linux and customizing themes so any guidance would help. And where do people even learn how to create custom themes though? Does everyone just mess with the files till they find what they’re looking for? Or does KDE docs on code for plasma themes?

Thank You!

you could simply turn off the grouping of task bar icons and then it won’t put the “+” symbol there.

I just searched up and tested this grouping feature. That isn’t what I’m looking for. That would separate the windows into separate icons in the taskbar for the same application. That’s something else that I wouldn’t consider a solution for this problem. But thank you for sharing that in this thread.

It’s in the tasks.svg file of the plasma style, for example with breeze it would be in /usr/share/plasma/desktoptheme/default/widgets/tasks.svgz node name is group-expander-<position> you can try deleting or making them transparent

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https://discuss.kde.org/t/icons-only-task-manager-display-number-of-dots-depending-on-number-of-windows/16949/3

That Glassy theme with the plus buttons removed:

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How odd. I didn’t think the svg of what I was looking for wouldn’t be viewable in the preview if the svg files. Good thing I didn’t go through every svg file in my device. Thank you the both of you!

Turns out is documented :slight_smile: in Plasma Style tutorial | Developer

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off topic question:
what’s your icon theme?