Prepared OS X for the new uiArea functions.

darwin/area.m

@@ -401,6 +401,16 @@ void uiAreaScrollTo(uiArea *a, double x, double y, double width, double height)
 	// don't worry about the return value; it just says whether scrolling was needed
 }
 
+void uiAreaBeginUserWindowMove(uiArea *a)
+{
+	// TODO
+}
+
+void uiAreaBeginUserWindowResize(uiArea *a, uiWindowResizeEdge edge)
+{
+	// TODO
+}
+
 uiArea *uiNewArea(uiAreaHandler *ah)
 {
 	uiArea *a;

darwin/uipriv_darwin.h

@@ -52,6 +52,10 @@ extern void finishNewTextField(NSTextField *, BOOL);
 extern NSTextField *newEditableTextField(void);
 
 // window.m
+@interface libuiNSWindow : NSWindow
+- (void)libui_doMove:(NSEvent *)initialEvent;
+- (void)libui_doResize:(NSEvent *)initialEvent on:(uiWindowResizeEdge)edge;
+@end
 extern uiWindow *windowFromNSWindow(NSWindow *);
 
 // alloc.m

darwin/window.m

@@ -18,6 +18,20 @@ struct uiWindow {
 	int borderless;
 };
 
+@implementation libuiNSWindow
+
+- (void)libui_doMove:(NSEvent *)initialEvent
+{
+	// TODO
+}
+
+- (void)libui_doResize:(NSEvent *)initialEvent on:(uiWindowResizeEdge)edge
+{
+	// TODO
+}
+
+@end
+
 @interface windowDelegateClass : NSObject<NSWindowDelegate> {
 	struct mapTable *windows;
 }
@@ -361,7 +375,7 @@ uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
 
 	uiDarwinNewControl(uiWindow, w);
 
-	w->window = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, (CGFloat) width, (CGFloat) height)
+	w->window = [[libuiNSWindow alloc] initWithContentRect:NSMakeRect(0, 0, (CGFloat) width, (CGFloat) height)
 		styleMask:defaultStyleMask
 		backing:NSBackingStoreBuffered
 		defer:YES];