Implement Resizing Display API for OS X

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

@@ -93,6 +93,12 @@ public final class Display {
 	 * unlike GL, where it is typically at the bottom of the display.
 	 */
 	private static int y = -1;
+	
+	/** the width of the Display window */
+	private static int width = 0;
+	
+	/** the height of the Display window */
+	private static int height = 0;
 
 	/** Title of the window (never null) */
 	private static String title = "Game";
@@ -109,6 +115,10 @@ public final class Display {
 	private static boolean window_created;
 
 	private static boolean parent_resized;
+	
+	private static boolean window_resized;
+	
+	private static boolean window_resizable;
 
 	/** Initial Background Color of Display */
 	private static float r, g, b;
@@ -295,6 +305,9 @@ public final class Display {
 		DisplayMode mode = getEffectiveMode();
 		display_impl.createWindow(drawable, mode, tmp_parent, getWindowX(), getWindowY());
 		window_created = true;
+		
+		width = Display.getDisplayMode().getWidth();
+		height = Display.getDisplayMode().getHeight();
 
 		setTitle(title);
 		initControls();
@@ -661,6 +674,13 @@ public final class Display {
 					throw new RuntimeException(e);
 				}
 			}
+			
+			window_resized = !isFullscreen() && parent == null && display_impl.wasResized();
+			
+			if ( window_resized ) {
+				width = display_impl.getWidth();
+				height = display_impl.getHeight();
+			}
 
 			if ( parent_resized ) {
 				reshape();
@@ -1257,14 +1277,17 @@ public final class Display {
 	 * false to disable resizing on the Display window.
 	 */
 	public static void setResizable(boolean resizable) {
-		
+		window_resizable = resizable;
+		if ( isCreated() ) {
+			display_impl.setResizable(resizable);
+		}
 	}
 	
 	/**
 	 * @return true if the Display window is resizable.
 	 */
 	public static boolean isResizable() {
-		return false;
+		return window_resizable;
 	}
 	
 	/**
@@ -1274,7 +1297,7 @@ public final class Display {
 	 * This will return false if running in fullscreen or with Display.setParent(Canvas parent)
 	 */
 	public static boolean wasResized() {
-		return false;
+		return window_resized;
 	}
 	
 	/**
@@ -1287,7 +1310,16 @@ public final class Display {
 	 * This value will be updated after a call to Display.update().
 	 */
 	public static int getWidth() {
-		return 0;
+		
+		if (Display.isFullscreen()) {
+			return Display.getDisplayMode().getWidth();
+		}
+		
+		if (parent != null) {
+			return parent.getWidth();
+		}
+		
+		return width;
 	}
 	
 	/**
@@ -1300,6 +1332,15 @@ public final class Display {
 	 * This value will be updated after a call to Display.update().
 	 */
 	public static int getHeight() {
-		return 0;
+		
+		if (Display.isFullscreen()) {
+			return Display.getDisplayMode().getHeight();
+		} 
+		
+		if (parent != null) {
+			return parent.getHeight();
+		}
+		
+		return height;
 	}
 }

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

@@ -169,12 +169,7 @@ interface DisplayImplementation extends InputImplementation {
 	void setResizable(boolean resizable);
 	
 	/**
-	 * @return true if the Display window is resizable.
-	 */
-	boolean isResizable();
-	
-	/**
-	 * @return true if the Display window has been resized.
+	 * @return true if the Display window has been resized since this method was last called.
 	 */
 	boolean wasResized();
 	

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

@@ -1361,10 +1361,6 @@ final class LinuxDisplay implements DisplayImplementation {
 		
 	}
 	
-	public boolean isResizable() {
-		return false;
-	}
-	
 	public boolean wasResized() {
 		return false;
 	}

src/java/org/lwjgl/opengl/MacOSXCanvasListener.java

@@ -47,6 +47,7 @@ final class MacOSXCanvasListener implements ComponentListener, HierarchyListener
 	private int width;
 	private int height;
 	private boolean context_update;
+	private boolean resized;
 
 	MacOSXCanvasListener(Canvas canvas) {
 		this.canvas = canvas;
@@ -102,6 +103,7 @@ final class MacOSXCanvasListener implements ComponentListener, HierarchyListener
 
 	public void componentResized(ComponentEvent e) {
 		setUpdate();
+		resized = true;
 	}
 
 	public void componentMoved(ComponentEvent e) {
@@ -111,4 +113,13 @@ final class MacOSXCanvasListener implements ComponentListener, HierarchyListener
 	public void hierarchyChanged(HierarchyEvent e) {
 		setUpdate();
 	}
+	
+	public boolean wasResized() {
+		if (resized) {
+			resized = false;
+			return true;
+		}
+		
+		return false;
+	}
 }

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

@@ -497,11 +497,11 @@ final class MacOSXDisplay implements DisplayImplementation {
 	}
 
 	public int getWidth() {
-		return Display.getDisplayMode().getWidth();
+		return frame.getWidth();
 	}
 
 	public int getHeight() {
-		return Display.getDisplayMode().getHeight();
+		return frame.getHeight();
 	}
 
     public boolean isInsideWindow() {
@@ -509,15 +509,11 @@ final class MacOSXDisplay implements DisplayImplementation {
     }
     
     public void setResizable(boolean resizable) {
-		
-	}
-	
-	public boolean isResizable() {
-		return false;
+		frame.setResizable(resizable);
 	}
 	
 	public boolean wasResized() {
-		return false;
+		return canvas_listener.wasResized();
 	}
 	
 }

src/java/org/lwjgl/opengl/MacOSXFrame.java

@@ -68,7 +68,7 @@ final class MacOSXFrame extends Frame implements WindowListener, ComponentListen
 	private boolean should_release_cursor;
 
 	MacOSXFrame(DisplayMode mode, final java.awt.DisplayMode requested_mode, boolean fullscreen, int x, int y) throws LWJGLException {
-		setResizable(false);
+		setResizable(Display.isResizable());
 		addWindowListener(this);
 		addComponentListener(this);
 		canvas = new MacOSXGLCanvas();

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

@@ -945,10 +945,6 @@ final class WindowsDisplay implements DisplayImplementation {
 		
 	}
 	
-	public boolean isResizable() {
-		return false;
-	}
-	
 	public boolean wasResized() {
 		return false;
 	}