**Description:** It would be very useful to have a built-in, interactive way to browse and switch color themes in xfce4-terminal, similar to the `kitty +kitten themes` command in the Kitty terminal emulator. **Feature details:** - Provide an ncurses-based menu that can be launched from the terminal, allowing users to preview and select from available color schemes for xfce4-terminal. - The selected color scheme should be applied instantly, without the need to manually edit configuration files. - Optionally, provide a command-line option (e.g. `xfce4-terminal --themes`) to open this theme selector. **Benefits:** - Users can easily try out and switch between color schemes directly from the terminal interface. - No need to manually edit configuration files or restart the terminal. - Improves usability for users who prefer working in the terminal. - Brings feature parity with modern terminal emulators like Kitty. Thank you for considering this enhancement!