Adding XSetWMProtocols method to X11

CHANGES.md

@@ -54,6 +54,7 @@ Features
 * [#649](https://github.com/java-native-access/jna/pull/649): Bugfix msoffice sample and add two samples taken from MSDN and translated from VisualBasic to Java  - [@matthiasblaesing](https://github.com/matthiasblaesing).
 * [#654](https://github.com/java-native-access/jna/pull/654): Support named arguments for `com.sun.jna.platform.win32.COM.util.CallbackProxy` based callbacks - [@matthiasblaesing](https://github.com/matthiasblaesing).
 * [#659](https://github.com/java-native-access/jna/issues/659): Enable LCID (locale) override for `com.sun.jna.platform.win32.COM.util.ProxyObject`-based COM calls - [@matthiasblaesing](https://github.com/matthiasblaesing).
+* [#665](https://github.com/java-native-access/jna/pull/665): Added `XSetWMProtocols` and `XGetWMProtocols` to `com.sun.jna.platform.unix.X11` - [@zainab-ali](https://github.com/zainab-ali).
 
 Bug Fixes
 ---------

contrib/platform/src/com/sun/jna/platform/unix/X11.java

@@ -795,6 +795,10 @@ void XSetWMProperties(Display display, Window window, String window_name,
                           String icon_name, String[] argv, int argc,
                           XSizeHints normal_hints, Pointer wm_hints,
                           Pointer class_hints);
+
+    int XSetWMProtocols(Display display, Window window, Atom[] atom, int count);
+    int XGetWMProtocols(Display display, Window w, PointerByReference protocols_return, IntByReference count_return);
+
     int XFree(Pointer data);
     Window XCreateSimpleWindow(Display display, Window parent, int x, int y,
                                int width, int height, int border_width,

contrib/platform/test/com/sun/jna/platform/unix/X11Test.java

@@ -15,8 +15,10 @@
 import java.awt.GraphicsEnvironment;
 
 import com.sun.jna.ptr.PointerByReference;
+import com.sun.jna.ptr.IntByReference;
 
 import junit.framework.TestCase;
+import org.junit.Assert;
 
 /**
  * Exercise the {@link X11} class.
@@ -76,6 +78,32 @@ public void testXFetchName() {
         }
     }
 
+    public void testXSetWMProtocols() {
+        X11.Atom[] atoms = new X11.Atom[]{ X11.INSTANCE.XInternAtom(display, "WM_DELETE_WINDOW", false), X11.INSTANCE.XInternAtom(display, "WM_TAKE_FOCUS", false) };
+        int status = X11.INSTANCE.XSetWMProtocols(display, root, atoms, atoms.length);
+        Assert.assertNotEquals("Bad status for XSetWMProtocols", 0, status);
+    }
+
+    public void testXGetWMProtocols() {
+        X11.Atom[] sentAtoms = new X11.Atom[]{ X11.INSTANCE.XInternAtom(display, "WM_DELETE_WINDOW", false), X11.INSTANCE.XInternAtom(display, "WM_TAKE_FOCUS", false) };
+        X11.INSTANCE.XSetWMProtocols(display, root, sentAtoms, sentAtoms.length);
+
+        PointerByReference protocols = new PointerByReference();
+        IntByReference count = new IntByReference();
+
+        int status = X11.INSTANCE.XGetWMProtocols(display, root, protocols, count);
+
+        X11.Atom[] receivedAtoms = new X11.Atom[count.getValue()];
+        for(int i = count.getValue() - 1; i >= 0; i--) {
+            receivedAtoms[i] = new X11.Atom(protocols.getValue().getLong(X11.Atom.SIZE * i));
+        }
+        X11.INSTANCE.XFree(protocols.getValue());
+
+        Assert.assertNotEquals("Bad status for XGetWMProtocols", 0, status);
+        Assert.assertEquals("Wrong number of protocols returned for XGetWMProtocols", sentAtoms.length, receivedAtoms.length);
+        Assert.assertArrayEquals("Sent protocols were not equal to returned procols for XGetWMProtocols", sentAtoms, receivedAtoms);
+    }
+
     public static void main(java.lang.String[] argList) {
         junit.textui.TestRunner.run(X11Test.class);
     }