WindowsIO library

A library that simulates input (keyboard, mouse) made in C++ using Windows.h and JNI. List of functions in class file (WindowsIO.java).

Supports:

getting screen size,
getting foreground window position and size
simulating key press,
simluating mouse press,
simulating mouse movement (relative and absoulte)
getting pixel data at coordinates,
getting screenshot of a specified area as byte array
getting mouse position
getting and seting clipboard text

Usage:

    public class Example {
        public static void main(String[] args) {
            WindowsIO io = new WindowsIO();
            
            io.typeString("I support unicode characters!"); // types the string to the focused input
            io.moveMouseAbsolute(100, 100); // moves mouse to 100, 100 on the main monitor
        }   
    }

Compiling and Running:

DLL:

You can either use the .dll provided in the repository or compile it on your own.

First you create the c++ files by running javac -h . WindowsIO.java. Then to compile the .dll use whichever c++ compiler you have. Dont forget to link the JNI headers. JNI Headers:

...\jdk\include
...\jdk\include\win32

Example project: