MimeApp GUI

A Noctalia plugin to manage MIME default applications from a panel UI.

Requirements

• python3 must be installed and available in PATH.

What it does

• Scans installed .desktop files for their MimeType= entries.
• Lists MIME types and candidate handlers.
• Updates ~/.config/mimeapps.list in the [Default Applications] section.

Notes

• This plugin writes user overrides to ~/.config/mimeapps.list.
• Effective defaults may still be influenced by desktop-specific *-mimeapps.list files and system-level files.
• For troubleshooting, run: XDG_UTILS_DEBUG_LEVEL=2 xdg-mime query default <mime-type>

IPC

This plugin exposes an IPC target so the panel can be opened from keybinds, scripts, or a .desktop launcher.

target plugin:mimeapp-gui
  function openPanel(): void

Example commands:

qs -c noctalia-shell ipc call plugin:mimeapp-gui openPanel

Example .desktop Exec line:

Exec=qs -c noctalia-shell ipc call plugin:mimeapp-gui openPanel

Features

• The "Common" tab visually groups common types (browsers, images, music, video, archives, etc.) and displays typical file extensions beside each group.
• Changing a default updates only the selected MIME type in ~/.config/mimeapps.list.
• Changing the BarWidget icon colors inside plugin's settings panel
• ControlCenterWidget for Control Center shortcuts
• Copy the IPC Command directly inside the plugin's settings panel