More TODOs and example program tweaks.

main.go

@@ -16,7 +16,9 @@ func main() {
 	l := NewLabel("This is a label")
 	s0 := NewStack(Vertical, b, c, cb1, cb2, e, l)
 	lb := NewListbox(true, "Select One", "Or More", "To Continue")
-	s := NewStack(Horizontal, lb, s0)
+	lb2 := NewListbox(false, "Select", "Only", "One", "Please")
+	s1 := NewStack(Vertical, lb2, lb)
+	s := NewStack(Horizontal, s1, s0)
 	err := w.Open(s)
 	if err != nil {
 		panic(err)

todo.md

@@ -8,6 +8,10 @@ so I don't forget:
 	- in fact, see if we really need to track errors on a lot of things...
 - password entry fields, character-limited entry fields, numeric entry fields, multiline entry fields
 	- possible rename of LineEdit?
+- more flexible size appropriation: allow a small button to be at the top of everything in the main() example here
+- scrollbars on listboxes (shouldn't they be automatic? or is that just wine being dumb?)
+- [Windows] should ListBox have a border style?
+- padding and spacing in Stack; maybe a setting in Stack which keeps controls at their preferred size?
 
 super ultra important things:
 - the windows build appears to be unstable:
@@ -17,6 +21,7 @@ super ultra important things:
 important things:
 - maybe make it so sysData doesn't need specialized info on every control type?
 - write an implementation documentation.
+- Control.preferredSize() (definitely needed for Grid and Form)
 
 far off:
 - localization