Started splitting apart xsizing_darwin.m and rearranging objc_darwin.h.

redo/control_darwin.m

@@ -3,9 +3,26 @@
 #import "objc_darwin.h"
 #import <Cocoa/Cocoa.h>
 
+#define toNSControl(x) ((NSControl *) (x))
 #define toNSView(x) ((NSView *) (x))
 
+// also good for NSTableView (TODO might not do what we want) and NSProgressIndicator
+struct xsize controlPreferredSize(id control)
+{
+	NSControl *c;
+	NSRect r;
+	struct xsize s;
+
+	c = toNSControl(control);
+	[c sizeToFit];
+	r = [c frame];
+	s.width = (intptr_t) r.size.width;
+	s.height = (intptr_t) r.size.height;
+	return s;
+}
+
 // TODO verify this when we add more scrolling controls
+// TODO no borders on Area
 id newScrollView(id content)
 {
 	NSScrollView *sv;

redo/objc_darwin.h

@@ -13,6 +13,29 @@
 #include <objc/objc.h>
 #include <objc/runtime.h>
 
+/* Objective-C -> Go types for max safety */
+struct xsize {
+	intptr_t width;
+	intptr_t height;
+};
+
+struct xrect {
+	intptr_t x;
+	intptr_t y;
+	intptr_t width;
+	intptr_t height;
+};
+
+struct xalignment {
+	struct xrect rect;
+	intptr_t baseline;
+};
+
+struct xpoint {
+	intptr_t x;
+	intptr_t y;
+};
+
 /* uitask_darwin.m */
 extern id getAppDelegate(void);	/* used by the other .m files */
 extern BOOL uiinit(void);
@@ -58,6 +81,7 @@ extern void moveControl(id, intptr_t, intptr_t, intptr_t, intptr_t);
 /* tab_darwin.m */
 extern id newTab(void);
 extern void tabAppend(id, char *, id);
+extern struct xsize tabPreferredSize(id);
 
 /* table_darwin.m */
 extern id newTable(void);
@@ -66,33 +90,14 @@ extern void tableUpdate(id);
 extern void tableMakeDataSource(id, void *);
 
 /* control_darwin.m */
+extern struct xsize controlPreferredSize(id);
 extern id newScrollView(id);
 
 /* xsizing_darwin.m */
-struct xsize {
-	intptr_t width;
-	intptr_t height;
-};
-struct xrect {
-	intptr_t x;
-	intptr_t y;
-	intptr_t width;
-	intptr_t height;
-};
-struct xalignment {
-	struct xrect rect;
-	intptr_t baseline;
-};
-extern struct xsize controlPreferredSize(id);
-extern struct xsize tabPreferredSize(id);
 extern struct xalignment alignmentInfo(id, struct xrect);
 extern struct xrect frame(id);
 
 /* area_darwin.h */
-struct xpoint {
-	intptr_t x;
-	intptr_t y;
-};
 extern Class getAreaClass(void);
 extern id newArea(void *);
 extern void drawImage(void *, intptr_t, intptr_t, intptr_t, intptr_t, intptr_t);

redo/tab_darwin.m

@@ -25,3 +25,16 @@ void tabAppend(id t, char *name, id view)
 	[i setView:toNSView(view)];
 	[toNSTabView(t) addTabViewItem:i];
 }
+
+struct xsize tabPreferredSize(id control)
+{
+	NSTabView *tv;
+	NSSize s;
+	struct xsize t;
+
+	tv = toNSTabView(control);
+	s = [tv minimumSize];
+	t.width = (intptr_t) s.width;
+	t.height = (intptr_t) s.height;
+	return t;
+}

redo/xsizing_darwin.m

@@ -8,35 +8,7 @@
 #define toNSScrollView(x) ((NSScrollView *) (x))
 #define toNSView(x) ((NSView *) (x))
 
-// TODO merge into control_darwin.m or sizing_darwin.m? really need to figure out what to do about the Go-side container struct...
-
-// also good for NSTableView (TODO might not do what we want) and NSProgressIndicator
-struct xsize controlPreferredSize(id control)
-{
-	NSControl *c;
-	NSRect r;
-	struct xsize s;
-
-	c = toNSControl(control);
-	[c sizeToFit];
-	r = [c frame];
-	s.width = (intptr_t) r.size.width;
-	s.height = (intptr_t) r.size.height;
-	return s;
-}
-
-struct xsize tabPreferredSize(id control)
-{
-	NSTabView *tv;
-	NSSize s;
-	struct xsize t;
-
-	tv = toNSTabView(control);
-	s = [tv minimumSize];
-	t.width = (intptr_t) s.width;
-	t.height = (intptr_t) s.height;
-	return t;
-}
+// TODO figure out where these should go
 
 // this function is safe to call on Areas; it'll just return the frame and a baseline of 0 since it uses the default NSView implementations
 struct xalignment alignmentInfo(id c, struct xrect newrect)
@@ -61,6 +33,7 @@ struct xalignment alignmentInfo(id c, struct xrect newrect)
 	return a;
 }
 
+// TODO remove?
 struct xrect frame(id c)
 {
 	NSRect r;