import com.sun.jna.Native;
import com.sun.jna.Structure;
import com.sun.jna.win32.StdCallLibrary;
import org.apache.commons.lang3.StringUtils;
import java.util.*;
public class BringToForeground {
public static void main(String[] args) {
BringToForeground m = new BringToForeground();
final List<WindowInfo> inflList = new ArrayList<WindowInfo>();
final List<Integer> order = new ArrayList<Integer>();
int top = User32.instance.GetTopWindow(0);
while (top != 0) {
order.add(top);
top = User32.instance.GetWindow(top, User32.GW_HWNDNEXT);
}
User32.instance.EnumWindows(new WndEnumProc() {
public boolean callback(int hWnd, int lParam) {
if (User32.instance.IsWindowVisible(hWnd)) {
RECT r = new RECT();
User32.instance.GetWindowRect(hWnd, r);
if (r.left > -32000) { // If it's not minimized
byte[] buffer = new byte[1024];
User32.instance.GetWindowTextA(hWnd, buffer, buffer.length);
String title = Native.toString(buffer,"GBK");
inflList.add(new WindowInfo(hWnd, r, title));
}
}
return true;
}
}, 0);
Collections.sort(inflList, new Comparator<WindowInfo>() {
public int compare(WindowInfo o1, WindowInfo o2) {
return order.indexOf(o1.hwnd) - order.indexOf(o2.hwnd);
}
});
for (WindowInfo w : inflList) {
System.out.println(w);
if(StringUtils.equals(w.title,"QtScrcpy")){
User32.instance.SetForegroundWindow(w.hwnd); // bring to front
}
}
}
public static interface WndEnumProc extends StdCallLibrary.StdCallCallback {
boolean callback(int hWnd, int lParam);
}
public static interface User32 extends StdCallLibrary {
final User32 instance = (User32) Native.loadLibrary("user32", User32.class);
final int GW_HWNDNEXT = 2;
boolean EnumWindows(WndEnumProc wndenumproc, int lParam);
boolean IsWindowVisible(int hWnd);
int GetWindowRect(int hWnd, RECT r);
void GetWindowTextA(int hWnd, byte[] buffer, int buflen);
int GetTopWindow(int hWnd);
int GetWindow(int hWnd, int flag);
void SetForegroundWindow(int hWnd);
}
public static class RECT extends Structure {
public int left, top, right, bottom;
@Override
protected List getFieldOrder() {
return Arrays.asList(new String[]{"left", "top", "right", "bottom"});
}
}
public static class WindowInfo {
public final int hwnd;
public final RECT rect;
public final String title;
public WindowInfo(int hwnd, RECT rect, String title) {
this.hwnd = hwnd;
this.rect = rect;
this.title = title;
}
public String toString() {
return String.format("(%d,%d)-(%d,%d) : %s",
rect.left, rect.top,
rect.right, rect.bottom,
title);
}
}
}