HAXXX: make the main game UI appear at the bottom

internal/ui/selectors.go

@@ -20,6 +20,8 @@ type checkbox struct {
 type slider struct {
 	locator string
 
+	rect image.Rectangle
+
 	baseSpr   *assetstore.Sprite
 	clickSpr  *assetstore.Sprite
 	sliderSpr *assetstore.Sprite
@@ -42,6 +44,7 @@ func (d *Driver) buildCheckbox(p *menus.Properties) (*checkbox, *Widget, error)
 	checkbox := &checkbox{
 		button: button{
 			locator:   p.Locator,
+			rect:      sprites[0].Rect.Add(p.Point()),
 			baseSpr:   sprites[0], // unchecked
 			clickSpr:  sprites[2], // checked
 			frozenSpr: sprites[1], // disabled
@@ -71,6 +74,7 @@ func (d *Driver) buildSlider(p *menus.Properties) (*slider, *Widget, error) {
 
 	slider := &slider{
 		locator:   p.Locator,
+		rect:      sprites[0].Rect.Add(p.Point()),
 		baseSpr:   sprites[0],
 		clickSpr:  sprites[1],
 		sliderSpr: sprites[2],
@@ -115,7 +119,7 @@ func (s *slider) id() string {
 
 // The bounds of the slider are the whole thing
 func (s *slider) bounds() image.Rectangle {
-	return s.baseSpr.Rect
+	return s.rect
 }
 
 func (s *slider) registerMouseClick() {