displayindex

Go Display Index

A cross-platform Go package to detect which display contains the cursor.

Features

• Supports Windows, macOS, and Linux
• Simple API

Installation

go get github.com/jasonlovesdoggo/displayindex

Usage

package main

import (
	"fmt"
	"github.com/jasonlovesdoggo/displayindex"
	"github.com/kbinani/screenshot"
)

func main() {
	index, err := displayindex.CurrentDisplayIndex()
	if err != nil {
		fmt.Println("Error:", err)
		return
	}
	fmt.Printf("Cursor is on display %d\n", index)
	img, err := screenshot.CaptureDisplay(index)  /* Example how you can use the index*/
    if err != nil {
        fmt.Println("Error:", err)
        return
    }
	// Do something with the image
}

Requirements

• Linux: Requires X11 development libraries

  sudo apt-get install libx11-dev