Added code to get the active window for menu events on Mac OS X. Will test next.

darwin/menu.m

@@ -59,8 +59,8 @@ enum {
 	item = (struct menuItem *) [v pointerValue];
 	if (item->type == typeCheckbox)
 		uiMenuItemSetChecked(uiMenuItem(item), !uiMenuItemChecked(uiMenuItem(item)));
-	// TODO get key window
-	(*(item->onClicked))(uiMenuItem(item), NULL, item->onClickedData);
+	// use the key window as the source of the menu event; it's the active window
+	(*(item->onClicked))(uiMenuItem(item), windowFromNSWindow([NSApp keyWindow]), item->onClickedData);
 }
 
 - (void)register:(NSMenuItem *)item to:(struct menuItem *)smi

darwin/uipriv_darwin.h

@@ -42,3 +42,6 @@ extern void disableAutocorrect(NSTextView *);
 
 // entry.m
 extern void finishNewTextField(NSTextField *, BOOL);
+
+// window.m
+extern uiWindow *windowFromNSWindow(NSWindow *);

darwin/window.m

@@ -6,12 +6,18 @@
 	int (*onClosing)(uiWindow *, void *);
 	void *onClosingData;
 }
+- (uiWindow *)getuiWindow;
 - (void)setuiWindow:(uiWindow *)ww;
 - (void)setOnClosing:(int (*)(uiWindow *, void *))f data:(void *)data;
 @end
 
 @implementation windowDelegate
 
+- (uiWindow *)getuiWindow
+{
+	return self->w;
+}
+
 - (void)setuiWindow:(uiWindow *)ww
 {
 	self->w = ww;
@@ -218,3 +224,13 @@ uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
 
 	return uiWindow(w);
 }
+
+uiWindow *windowFromNSWindow(NSWindow *w)
+{
+	windowDelegate *d;
+
+	if (w == nil)
+		return NULL;
+	d = (windowDelegate *) [w delegate];
+	return [d getuiWindow];
+}