Label.EmCollapse actually works now

elements/basic/label.go

@@ -181,15 +181,15 @@ func (element *Label) updateMinimumSize () {
 	}
 
 	if element.forcedColumns > 0 {
-		width = int (
+		width =
 			element.drawer.Em().
-			Mul(fixed.I(element.forcedColumns)))
+			Mul(fixed.I(element.forcedColumns)).Floor()
 	}
 
 	if element.forcedRows > 0 {
-		height = int (
+		height =
 			element.drawer.LineHeight().
-			Mul(fixed.I(element.forcedRows)))
+			Mul(fixed.I(element.forcedRows)).Floor()
 	}
 
 	element.core.SetMinimumSize(width, height)

examples/checkbox/main.go

@@ -18,10 +18,12 @@ func run () {
 	container := containers.NewContainer(basicLayouts.Vertical { true, true })
 	window.Adopt(container)
 
-	container.Adopt (basicElements.NewLabel (
+	introText := basicElements.NewLabel (
 		"We advise you to not read thPlease listen to me. I am " +
 		"trapped inside the example code. This is the only way for " +
-		"me to communicate.", true), true)
+		"me to communicate.", true)
+	introText.EmCollapse(0, 5)
+	container.Adopt(introText, true)
 	container.Adopt(basicElements.NewSpacer(true), false)
 	container.Adopt(basicElements.NewCheckbox("Oh god", false), false)
 	container.Adopt(basicElements.NewCheckbox("Can you hear them", true), false)