Merge pull request #2492 from JNightRider/wayland

Wayland fullscreen issue fixed

jme3-lwjgl3/src/main/java/com/jme3/system/lwjgl/LwjglWindow.java

@@ -274,6 +274,13 @@ public abstract class LwjglWindow extends LwjglContext implements Runnable {
                 }
         );
 
+        if (glfwPlatformSupported(GLFW_PLATFORM_WAYLAND)) {
+            
+            // Disables the libdecor bar when creating a fullscreen context
+            // https://www.glfw.org/docs/latest/intro_guide.html#init_hints_wayland
+            glfwInitHint(GLFW_WAYLAND_LIBDECOR, settings.isFullscreen() ? GLFW_WAYLAND_DISABLE_LIBDECOR : GLFW_WAYLAND_PREFER_LIBDECOR);
+        }
+        
         if (!glfwInit()) {
             throw new IllegalStateException("Unable to initialize GLFW");
         }