wallpaper

README

wallpaper

A cross-platform (Linux, Windows, and macOS) Golang library for getting and setting the desktop background.

Installation

go get github.com/arno4000/wallpaper

Example

package main

import (
	"fmt"

	"github.com/reujab/wallpaper"
)

func main() {
	background, err := wallpaper.Get()
	check(err)
	fmt.Println("Current wallpaper:", background)

	err = wallpaper.SetFromFile("/usr/share/backgrounds/gnome/adwaita-day.jpg")
	check(err)

	err = wallpaper.SetFromURL("https://i.imgur.com/pIwrYeM.jpg")
	check(err)

	err = wallpaper.SetMode(wallpaper.Crop)
	check(err)
}

Supported desktops

• Windows
• macOS
• GNOME
• KDE
• Cinnamon
• Unity
• Budgie
• XFCE
• LXDE
• MATE
• Deepin
• Most Wayland compositors (set only, requires swaybg)
• i3 (set only, requires feh)

Documentation

Index

• Variables
• func Get() (string, error)
• func SetFromFile(file string) error
• func SetFromURL(url string) error
• func SetMode(mode Mode) error
• type Mode

Variables

var Desktop = os.Getenv("XDG_CURRENT_DESKTOP")

Desktop contains the current desktop environment on Linux. Empty string on all other operating systems.

var DesktopSession = os.Getenv("DESKTOP_SESSION")

DesktopSession is used by LXDE on Linux.

var ErrUnsupportedDE = errors.New("your desktop environment is not supported")

ErrUnsupportedDE is thrown when Desktop is not a supported desktop environment.

Functions

func Get

func Get() (string, error)

Get returns the current wallpaper.

func SetFromFile

func SetFromFile(file string) error

SetFromFile sets wallpaper from a file path.

func SetFromURL

func SetFromURL(url string) error

SetFromURL downloads the image to a cache directory and calls SetFromFile.

func SetMode

func SetMode(mode Mode) error

SetMode sets the wallpaper mode.

Types

type Mode

type Mode int

const (
	Center Mode = iota
	Crop
	Fit
	Span
	Stretch
	Tile
)