From 1040873d62cb87a06296436192b985f378342d3f Mon Sep 17 00:00:00 2001
From: Pietro Gagliardi <pietro10@mac.com>
Date: Tue, 28 Apr 2015 16:38:33 -0400
Subject: [PATCH] Added OS X bin.m.

---
 new/darwin/GNUmakeinc.mk |   1 +
 new/darwin/bin.m         | 109 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 new/darwin/bin.m

diff --git a/new/darwin/GNUmakeinc.mk b/new/darwin/GNUmakeinc.mk
index 8c363285..2c0e8c63 100644
--- a/new/darwin/GNUmakeinc.mk
+++ b/new/darwin/GNUmakeinc.mk
@@ -2,6 +2,7 @@
 
 osMFILES = \
 	darwin/alloc.m \
+	darwin/bin.m \
 	darwin/container.m \
 	darwin/init.m \
 	darwin/main.m \
diff --git a/new/darwin/bin.m b/new/darwin/bin.m
new file mode 100644
index 00000000..caf1d8e0
--- /dev/null
+++ b/new/darwin/bin.m
@@ -0,0 +1,109 @@
+// 28 april 2015
+#import "uipriv_darwin.h"
+
+struct bin {
+	uiContainer c;
+	void (*baseDestroy)(uiControl *);
+	uiControl *mainControl;
+	intmax_t marginLeft;
+	intmax_t marginTop;
+	intmax_t marginRight;
+	intmax_t marginBottom;
+};
+
+void binDestroy(uiControl *c)
+{
+	struct bin *b = (struct bin *) c;
+
+	// TODO find a way to move the parented check here
+	// don't chain up to base here; we need to destroy children ourselves first
+	if (b->mainControl != NULL) {
+		uiControlSetParent(b->mainControl, NULL);
+		uiControlDestroy(b->mainControl);
+	}
+	// NOW we can chain up to base
+	(*(b->baseDestroy))(uiControl(b));
+	uiFree(b);
+}
+
+void binPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_t *height)
+{
+	struct bin *b = (struct bin *) c;
+	intmax_t marginX, marginY;
+
+	// TODO have the margins count even if no control?
+	if (b->mainControl == NULL) {
+		*width = 0;
+		*height = 0;
+		return;
+	}
+	uiControlPreferredSize(b->mainControl, d, width, height);
+	marginX = b->marginLeft + b->marginRight;
+	marginY = b->marginTop + b->marginBottom;
+	*width += marginX;
+	*height += marginY;
+}
+
+void binResizeChildren(uiContainer *c, intmax_t x, intmax_t y, intmax_t width, intmax_t height, uiSizing *d)
+{
+	struct bin *b = (struct bin *) c;
+
+	if (b->mainControl == NULL)
+		return;
+	x += b->marginLeft;
+	y += b->marginTop;
+	width -= b->marginLeft + b->marginRight;
+	height -= b->marginTop + b->marginBottom;
+	uiControlResize(b->mainControl, x, y, width, height, d);
+}
+
+uiContainer *newBin(void)
+{
+	struct bin *b;
+
+	b = uiNew(struct bin);
+
+	uiMakeContainer(uiContainer(b));
+
+	b->baseDestroy = uiControl(b)->Destroy;
+	uiControl(b)->Destroy = binDestroy;
+	uiControl(b)->PreferredSize = binPreferredSize;
+
+	uiContainer(b)->ResizeChildren = binResizeChildren;
+
+	return uiContainer(b);
+}
+
+void binSetMainControl(uiContainer *c, uiControl *mainControl)
+{
+	struct bin *b = (struct bin *) c;
+
+	if (b->mainControl != NULL)
+		uiControlSetParent(b->mainControl, NULL);
+	b->mainControl = mainControl;
+	if (b->mainControl != NULL)
+		uiControlSetParent(b->mainControl, uiContainer(b));
+	uiContainerUpdate(uiContainer(b));
+}
+
+void binSetMargins(uiContainer *c, intmax_t left, intmax_t top, intmax_t right, intmax_t bottom)
+{
+	struct bin *b = (struct bin *) c;
+
+	b->marginLeft = left;
+	b->marginRight = right;
+	b->marginTop = top;
+	b->marginBottom = bottom;
+	uiContainerUpdate(uiContainer(b));
+}
+
+void binSetParent(uiContainer *c, uintptr_t osParent)
+{
+	struct bin *b = (struct bin *) c;
+	NSView *view;
+	NSView *newContainer;
+
+	view = (NSView *) uiControlHandle(uiControl(b));
+	newContainer = (NSView *) osParent;
+	[newContainer addSubview:view];
+}