Implemented the foundation for padding.

container_darwin.m

@@ -34,6 +34,8 @@ uiLogObjCClassAllocations
 // TODO reverify these against /layout rects/, not /frame rects/
 #define macXMargin 20
 #define macYMargin 20
+#define macXPadding 8
+#define macYPadding 8
 
 - (void)uiUpdateNow
 {
@@ -52,6 +54,8 @@ uiLogObjCClassAllocations
 		width -= 2 * macXMargin;
 		height -= 2 * macYMargin;
 	}
+	d.xPadding = macXPadding;
+	d.yPadding = macYPadding;
 	(*(self.child->resize))(self.child, x, y, width, height, &d);
 }
 

container_unix.c

@@ -57,6 +57,8 @@ static void uiContainer_remove(GtkContainer *container, GtkWidget *widget)
 
 #define gtkXMargin 12
 #define gtkYMargin 12
+#define gtkXPadding 12
+#define gtkYPadding 6
 
 static void uiContainer_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
 {
@@ -77,6 +79,8 @@ static void uiContainer_size_allocate(GtkWidget *widget, GtkAllocation *allocati
 		width -= 2 * gtkXMargin;
 		height -= 2 * gtkYMargin;
 	}
+	d.xPadding = gtkXPadding;
+	d.yPadding = gtkYPadding;
 	(*(c->child->resize))(c->child, x, y, width, height, &d);
 }
 

container_windows.c

@@ -55,6 +55,10 @@ BOOL sharedWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT *
 	return FALSE;
 }
 
+// TODO get source
+#define winXPadding 4
+#define winYPadding 4
+
 void resize(uiControl *control, HWND parent, RECT r, RECT margin)
 {
 	uiSizing d;
@@ -87,6 +91,8 @@ void resize(uiControl *control, HWND parent, RECT r, RECT margin)
 	r.top += uiDlgUnitToY(margin.top, d.baseY);
 	r.right -= uiDlgUnitToX(margin.right, d.baseX);
 	r.bottom -= uiDlgUnitToY(margin.bottom, d.baseY);
+	d.xPadding = uiDlgUnitToX(winXPadding, d.baseX);
+	d.yPadding = uiDlgUnitToY(winYPadding, d.baseY);
 	(*(control->resize))(control, r.left, r.top, r.right - r.left, r.bottom - r.top, &d);
 }