1 files changed, 38 insertions, 0 deletions
diff --git a/redo/control_darwin.m b/redo/control_darwin.m
index ce1eca7..1b06114 100644
--- a/redo/control_darwin.m
+++ b/redo/control_darwin.m
@@ -58,3 +58,41 @@ id newScrollView(id content, BOOL bordered)
 		[sv setBorderType:NSNoBorder];
 	return (id) sv;
 }
+
+// these function are safe to call on Areas; they'll just return the frame and a baseline of 0 since they use the default NSView implementations
+
+static struct xalignment doAlignmentInfo(NSView *v, NSRect r)
+{
+	struct xalignment a;
+
+	r = [v alignmentRectForFrame:r];
+	a.rect.x = (intptr_t) r.origin.x;
+	a.rect.y = (intptr_t) r.origin.y;
+	a.rect.width = (intptr_t) r.size.width;
+	a.rect.height = (intptr_t) r.size.height;
+	// I'm not sure if we need to set the frame for -[NSView baselineOffsetFromBottom], but let's do it just to be safe
+	[v setFrame:r];
+	a.baseline = (intptr_t) [v baselineOffsetFromBottom];
+	return a;
+}
+
+struct xalignment alignmentInfo(id c, struct xrect newrect)
+{
+	NSView *v;
+	NSRect r;
+
+	v = toNSView(c);
+	r = NSMakeRect((CGFloat) newrect.x,
+		(CGFloat) newrect.y,
+		(CGFloat) newrect.width,
+		(CGFloat) newrect.height);
+	return doAlignmentInfo(v, r);
+}
+
+struct xalignment alignmentInfoFrame(id c)
+{
+	NSView *v;
+
+	v = toNSView(c);
+	return doAlignmentInfo(v, [v frame]);
+}