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Dante
Asked: 2020-04-29 21:07:23 +0800 CST

Telegram system tray icon appears black in Kubuntu 20.04

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As the title says telegram system tray icon is hardly visible. All appearance settings are on default.

enter image description here

But when I change Colors from Breeze to Breeze Dark it gets fixed.

enter image description here

The problem is that I like Breeze colors and I do not want to change it. Additionally, I noticed the problem is with /usr/share/color-schemes/Breeze.colors because when I change ForegroundNormal=35,38,39 from [Colors:Window] tag to ForegroundNormal=239,240,241 that is the value used in BreezeDark.colors the icon is changed to white but I get other color problems. Now looking for a solution.

Also I tried replacing all Telegram icons in /usr/share/icons/breeze/status/22 and /usr/share/icons/breeze/status/24 by /usr/share/icons/breeze-dark/status/22 and /usr/share/icons/breeze-dark/status/24 and nothing changed.

icons kubuntu system-tray 20.04

3 Answers

  1. Best Answer

    I've found easy solution. Icon that displays in tray has extension .svg, so it is easy to fix icons, as you want.

    1. Open any file manager (I use double commander)
    2. Perform search files by regular expression with string telegram.*svg You shouls receive near 15 results:

    Group of telegram-attention-panel.svg - 4 items,

    Group of telegram-mute-panel.svg - 4 items,

    Group of telegram-panel.svg - 4 items

    and single file telegram.svg

    File telegram.svg contains classic icon with blue background and white airplane, so I use it for fix. Open telegram.svg in any text redactor, copy whole content and paste it in all files telegram-panel.svg (instead of original content of these files).

    After this manipulations you will have nice icon in tray in every global theme.

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  2. If you use non-Qt DE, such as GNOME or Windo maanger. Install qt5ct

    Then run qt5ct to change Qt application settings. If the application still doesn't pick its setting, try to put export QT_QPA_PLATFORMTHEME="qt5ct" in your shell profile.

    credit: Manjaro wiki

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  3. I choose replace icons in breeze theme with those have same name in breeze theme. You can find icons in the path like /usr/share/icons/breeze/status/22.

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