import java.awt.Color;

import java.awt.Rectangle;

public class WindowsIO {

// (vkcode) KEY CODES (more at: https://docs.microsoft.com/sl-si/windows/win32/inputdev/virtual-key-codes)

public static final char VK_ENTER = (char) 0x0D;

public static final char VK_ALT = (char) 0x12;

public static final char VK_CAPSLOCK = (char) 0x14;

public static final char VK_PRINTSCR = (char) 0x2C;

public static final char VK_LSHIFT = (char) 0xA0;

public static final char VK_LCTRL = (char) 0xA2;

public static final char VK_LWIN = (char) 0x5B;

public static final char VK_SLEEP = (char) 0x5F;

public static final char VK_NUMLOCK = (char) 0x90;

// (vmcode) MOUSE KEY CODES

public static final char VMK_LEFT = (char) 0x02;

public static final char VMK_RIGHT = (char) 0x08;

public static final char VMK_MIDDLE = (char) 0x20;

// get screen sizes

public native int getScreenSizeX();

public native int getScreenSizeY();

public native int getVirtualScreenSizeX();

public native int getVirtualScreenSizeY();

// gets the foreground window's position and size

public native Rectangle getForegroundWindowMetrics();

// press/release a specific key (not unicode friendly)

public native void keyPress(char vkcode);

public native void keyRelease(char vkcode);

// type (press & release) a unicode char/string

public native void typeChar(char c);

public native void typeString(String str);

// press/release mouse key

public native void mousePress(char vmcode);

public native void mouseRelease(char vmcode);

// scroll wheel movement

public native void mouseScroll(int ammount);

// get mouse position

public native int getMouseX();

public native int getMouseY();

// mouse movement

public native void mouseMove(int x, int y); // relative to the main monitor

public native void mouseMoveVirtual(int x, int y); // relative to virtual screen space (multiple monitors)

public native void mouseMoveRelative(int x, int y); // relative to current position

// get pixel color at position

public native Color getPixel(int x, int y);

public native byte[] getScreenshot(int x, int y, int width, int height); // returns a BGR array of size (width * height * 3)

// clipboard manipulation

public native String getClipboardText();

public native void setClipboardText(String text);

// load the dll

static {

try {

System.loadLibrary("WindowsIO");

} catch (Exception e) {

System.out.println("DLL not found!");

}

}

}