Implemented Table.OnSelected() on Mac OS X.

redo/table_darwin.go

@@ -18,6 +18,7 @@ type table struct {
 	scroller		*scroller
 
 	images		[]C.id
+	selected		*event
 }
 
 func finishNewTable(b *tablebase, ty reflect.Type) Table {
@@ -26,7 +27,9 @@ func finishNewTable(b *tablebase, ty reflect.Type) Table {
 		_id:			id,
 		scroller:		newScroller(id, true),		// border on Table
 		tablebase:		b,
+		selected:		newEvent(),
 	}
+	// also sets the delegate
 	C.tableMakeDataSource(t._id, unsafe.Pointer(t))
 	for i := 0; i < ty.NumField(); i++ {
 		cname := C.CString(ty.Field(i).Name)
@@ -74,6 +77,10 @@ func (t *table) Select(index int) {
 	C.tableSelect(t._id, C.intptr_t(index))
 }
 
+func (t *table) OnSelected(f func()) {
+	t.selected.set(f)
+}
+
 //export goTableDataSource_getValue
 func goTableDataSource_getValue(data unsafe.Pointer, row C.intptr_t, col C.intptr_t, outtype *C.int) unsafe.Pointer {
 	t := (*table)(data)
@@ -119,6 +126,12 @@ func goTableDataSource_toggled(data unsafe.Pointer, row C.intptr_t, col C.intptr
 	datum.SetBool(fromBOOL(checked))
 }
 
+//export tableSelectionChanged
+func tableSelectionChanged(data unsafe.Pointer) {
+	t := (*table)(data)
+	t.selected.fire()
+}
+
 func (t *table) id() C.id {
 	return t._id
 }

redo/table_darwin.m

@@ -17,7 +17,7 @@
 @implementation goTableColumn
 @end
 
-@interface goTableDataSource : NSObject <NSTableViewDataSource> {
+@interface goTableDataSource : NSObject <NSTableViewDataSource, NSTableViewDelegate> {
 @public
 	void *gotable;
 }
@@ -63,6 +63,11 @@
 	goTableDataSource_toggled(self->gotable, (intptr_t) row, colnum, [value boolValue]);
 }
 
+- (void)tableViewSelectionDidChange:(NSNotification *)note
+{
+	tableSelectionChanged(self->gotable);
+}
+
 @end
 
 id newTable(void)
@@ -134,6 +139,7 @@ void tableUpdate(id t)
 	[toNSTableView(t) reloadData];
 }
 
+// also sets the delegate
 void tableMakeDataSource(id table, void *gotable)
 {
 	goTableDataSource *model;
@@ -141,6 +147,7 @@ void tableMakeDataSource(id table, void *gotable)
 	model = [goTableDataSource new];
 	model->gotable = gotable;
 	[toNSTableView(table) setDataSource:model];
+	[toNSTableView(table) setDelegate:model];
 }
 
 // -[NSTableView sizeToFit] does not actually size to fit