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Recently, I changed my default file manager from Nautilus to Dolphin in Pop!_OS by this command:

xdg-mime default org.kde.dolphin.desktop inode/directory'

and checked again which is the default file manager by executing this command:

xdg-mime query default inode/directory

and I get this output:

org.kde.dolphin.desktop

But, Gogle Chrome still opens Nautilus as the default file manager. I thought of removing it, but doing so will result in potential damage to my system since it is a built-in file. Here is the picture to view the scenario.

enter image description here

And, instantly when I browsed that picture, Chrome, as usual, used Nautilus to browse the picture.

enter image description here

Anyway to sort out this issue? I just want to sure that all applications use Dolphin as the default file manager without removing Nautilus.

Update: As suggested, I also used xdg-open command to find the default file manager the system is using. And I noticed that, Dolphin opens up automatically with the entered file location.

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  • Does this answer your question? Open a directory in the default file manager and select a file Commented May 16, 2021 at 8:35
  • actually no. Because executing xdg-open simply launches dolphin. I need to add something here. After executing xdg-open, qt5ct is automatically launched in the terminal. Let me give a sample output. xdg-open /home/arkabhuiyan99/Pictures/ qt5ct: using qt5ct plugin qt5ct: D-Bus global menu: no Commented May 16, 2021 at 12:01
  • actually, the issue is with gtk file chooser. You need to replace it with kde file chooser(I don't know what is the exact name) or anything you want. Sadly, I could not find any working solution to this issue. I tried almost all of them but could not solve my problem. Commented May 16, 2021 at 14:27
  • Somehow similar, but describing a sort of opposite issue: unix.stackexchange.com/q/646460/315749 Commented May 16, 2021 at 14:49
  • he had to install kde and I don't want to do it. I wish to stick to gnome offered by pop. Commented May 16, 2021 at 14:53

1 Answer 1

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It's not a dolphin vs nautilus issue. It's a GTK+2 vs GTK+3 issue. Apps written for GTK+2 will use the familiar-looking Humanity-themed file selection dialog, while apps written for GTK+3 will use the alien, hollow-looking default theme for GTK+3.

Unfortunately, the only way to get a consistent UX is to use all GTK+2 apps, or switch to a Qt-based DE like LXQT or KDE.

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