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=== '''Open with menu fix''' ===
=== '''Open with menu fix''' ===
https://github.com/rumboon/dolphin-overlay
When using dolphin on other Desktop or Window Managers, the Open With menu may not show any applications.
 
A comprehensive solution can be found with [https://github.com/rumboon/dolphin-overlay rumboon's dolphin-overlay], but a more straight-forward fix would be to add the following line to your configuration file:
{{File|3=environment.etc."xdg/menus/applications.menu".source = "${pkgs.kdePackages.plasma-workspace}/etc/xdg/menus/plasma-applications.menu";|name=/etc/nixos/configuration.nix|lang=nix}}


=== Icons ===
=== Icons ===

Latest revision as of 09:57, 28 July 2026

⤧︎
Disambiguation: Not to be confused with Dolphin Emulator.

Dolphin is the KDE desktop's file manager. When using dolphin without KDE, you may want to install some optional dependencies.

Troubleshooting

Open with menu fix

When using dolphin on other Desktop or Window Managers, the Open With menu may not show any applications.

A comprehensive solution can be found with rumboon's dolphin-overlay, but a more straight-forward fix would be to add the following line to your configuration file:

❄︎ /etc/nixos/configuration.nix
environment.etc."xdg/menus/applications.menu".source = "${pkgs.kdePackages.plasma-workspace}/etc/xdg/menus/plasma-applications.menu";

Icons

By default, dolphin by itself is not packaged with support for svg icons. This may result in blank icons.

To fix it, simply add the following package:

❄︎ /etc/nixos/configuration.nix
environment.systemPackages = with pkgs; [ kdePackages.qtsvg ];

KIO-Fuse

If you need to mount network shares you can use KIO-Fuse:

❄︎ /etc/nixos/configuration.nix
environment.systemPackages = with pkgs; [
    kdePackages.kio # needed since 25.11
    kdePackages.kio-fuse #to mount remote filesystems via FUSE
    kdePackages.kio-extras #extra protocols support (sftp, fish and more)
];

Install

❄︎ /etc/nixos/configuration.nix
environment.systemPackages = with pkgs; [
    kdePackages.dolphin # This is the actual dolphin package
];

File previews

https://wiki.archlinux.org/title/Dolphin#File_previews