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); } } }
标签:java,title,int,hWnd,User32,new,窗口,public,置顶 From: https://www.cnblogs.com/lambertwe/p/17878741.html