Attempted to fill in uiGroup; also fixed uiUninit() bugs.

redo/reredo/darwin/group.m

@@ -8,13 +8,23 @@ struct uiGroup {
 	int margined;
 };
 
+static void onDestroy(uiGroup *);
+
 uiDarwinDefineControlWithOnDestroy(
 	uiGroup,								// type name
 	uiGroupType,							// type function
 	box,									// handle
-	/* TODO */;							// on destroy
+	onDestroy(this);						// on destroy
 )
 
+static void onDestroy(uiGroup *g)
+{
+	if (g->child != NULL) {
+		uiControlSetParent(g->child, NULL);
+		uiControlDestroy(g->child);
+	}
+}
+
 // TODO group container update
 
 char *uiGroupTitle(uiGroup *g)
@@ -31,15 +41,20 @@ void uiGroupSetTitle(uiGroup *g, const char *text)
 
 void uiGroupSetChild(uiGroup *g, uiControl *child)
 {
-/* TODO
-	if (g->child != NULL)
+	NSView *childView;
+
+	if (g->child != NULL) {
+		childView = (NSView *) uiControlHandle(g->child);
+		[childView removeFromSuperview];
 		uiControlSetParent(g->child, NULL);
+	}
 	g->child = child;
 	if (g->child != NULL) {
+		childView = (NSView *) uiControlHandle(g->child);
 		uiControlSetParent(g->child, uiControl(g));
-//TODO		uiControlQueueResize(g->child);
+		[g->box addSubview:childView];
+		layoutSingleView(g->box, childView, g->margined);
 	}
-*/
 }
 
 int uiGroupMargined(uiGroup *g)
@@ -49,9 +64,13 @@ int uiGroupMargined(uiGroup *g)
 
 void uiGroupSetMargined(uiGroup *g, int margined)
 {
+	NSView *childView;
+
 	g->margined = margined;
-	// TODO
-//TODO	uiControlQueueResize(uiControl(g));
+	if (g->child != NULL) {
+		childView = (NSView *) uiControlHandle(g->child);
+		layoutSingleView(g->box, childView, g->margined);
+	}
 }
 
 uiGroup *uiNewGroup(const char *title)

redo/reredo/darwin/main.m

@@ -91,6 +91,7 @@ void uiUninit(void)
 	uninitMenus();
 	// TODO free application delegate
 	// TODO free NSApplication resources (main menu, etc.)
+	uninitTypes();
 	uninitAlloc();
 }
 

redo/reredo/darwin/tab.m

@@ -32,6 +32,7 @@ static void onDestroy(uiTab *t)
 		uiControl *c;
 
 		c = (uiControl *) [v pointerValue];
+		uiControlSetParent(c, NULL);
 		uiControlDestroy(c);
 	}];
 	// and finally destroy ourselves