Added the new public API's Display.getX() and Display.getY(). Currently implemented for Linux and Mac. Windows implementation pending.

src/java/org/lwjgl/opengl/Display.java

@@ -1281,11 +1281,51 @@ public final class Display {
 		return window_resized;
 	}
 
+	/**
+	 * @return this method will return the x position (top-left) of the Display window.
+	 *
+	 * If running in fullscreen mode it will return 0.
+	 * If Display.setParent(Canvas parent) is being used, the x position of 
+	 * the parent will be returned.
+	 */
+	public static int getX() {
+
+		if (Display.isFullscreen()) {
+			return 0;
+		}
+
+		if (parent != null) {
+			return parent.getX();
+		}
+
+		return display_impl.getX();
+	}
+	
+	/**
+	 * @return this method will return the y position (top-left) of the Display window.
+	 *
+	 * If running in fullscreen mode it will return 0.
+	 * If Display.setParent(Canvas parent) is being used, the y position of 
+	 * the parent will be returned.
+	 */
+	public static int getY() {
+
+		if (Display.isFullscreen()) {
+			return 0;
+		}
+
+		if (parent != null) {
+			return parent.getY();
+		}
+
+		return display_impl.getY();
+	}
+	
 	/**
 	 * @return this method will return the width of the Display window.
 	 *
 	 * If running in fullscreen mode it will return the width of the current set DisplayMode.
-	 * If running Display.setParent(Canvas parent) is being used, the width of the parent
+	 * If Display.setParent(Canvas parent) is being used, the width of the parent
 	 * will be returned.
 	 *
 	 * This value will be updated after a call to Display.update().
@@ -1307,7 +1347,7 @@ public final class Display {
 	 * @return this method will return the height of the Display window.
 	 *
 	 * If running in fullscreen mode it will return the height of the current set DisplayMode.
-	 * If running Display.setParent(Canvas parent) is being used, the height of the parent
+	 * If Display.setParent(Canvas parent) is being used, the height of the parent
 	 * will be returned.
 	 *
 	 * This value will be updated after a call to Display.update().

src/java/org/lwjgl/opengl/DisplayImplementation.java

@@ -174,12 +174,22 @@ interface DisplayImplementation extends InputImplementation {
 	boolean wasResized();
 
 	/**
-	 * @return this method will return a the width of the Display window.
+	 * @return this method will return the width of the Display window.
 	 */
 	int getWidth();
 
 	/**
-	 * @return this method will return a the height of the Display window.
+	 * @return this method will return the height of the Display window.
 	 */
 	int getHeight();
+	
+	/**
+	 * @return this method will return the top-left x position of the Display window.
+	 */
+	int getX();
+
+	/**
+	 * @return this method will return the top-left y position of the Display window.
+	 */
+	int getY();
 }

src/java/org/lwjgl/opengl/LinuxDisplay.java

@@ -473,6 +473,8 @@ final class LinuxDisplay implements DisplayImplementation {
 					parent_window = parent != null ? getHandle(parent) : getRootWindow(getDisplay(), getDefaultScreen());
 					resizable = Display.isResizable();
 					resized = false;
+					window_x = x;
+					window_y = y;
 					window_width = mode.getWidth();
 					window_height = mode.getHeight();
 					current_window = nCreateWindow(getDisplay(), getDefaultScreen(), handle, mode, current_window_mode, x, y, undecorated, parent_window, resizable);
@@ -1387,6 +1389,14 @@ final class LinuxDisplay implements DisplayImplementation {
 
 	private static native void nSetWindowIcon(long display, long window, ByteBuffer icon_rgb, int icon_rgb_size, ByteBuffer icon_mask, int icon_mask_size, int width, int height);
 
+	public int getX() {
+		return window_x;
+	}
+
+	public int getY() {
+		return window_y;
+	}
+	
 	public int getWidth() {
 		return window_width;
 	}

src/java/org/lwjgl/opengl/MacOSXDisplay.java

@@ -495,6 +495,14 @@ final class MacOSXDisplay implements DisplayImplementation {
 		// Don't use any icon, since Mac OS X windows don't have window icons
 		return 0;
 	}
+	
+	public int getX() {
+		return frame.getX();
+	}
+
+	public int getY() {
+		return frame.getY();
+	}
 
 	public int getWidth() {
 		return frame.getWidth();

src/java/org/lwjgl/opengl/WindowsDisplay.java

@@ -1013,6 +1013,14 @@ final class WindowsDisplay implements DisplayImplementation {
 				return defWindowProc(hwnd, msg, wParam, lParam);
 		}
 	}
+	
+	public int getX() {
+		return 0; // placeholder until implemented
+	}
+
+	public int getY() {
+		return 0; // placeholder until implemented
+	}
 
 	public int getWidth() {
 		return width;