You can choose whether or not you want text to wrap

elements/basic/label.go

@@ -6,28 +6,29 @@ import "git.tebibyte.media/sashakoshka/tomo/theme"
 import "git.tebibyte.media/sashakoshka/tomo/artist"
 import "git.tebibyte.media/sashakoshka/tomo/elements/core"
 
+// Label is a simple text box.
 type Label struct {
 	*core.Core
 	core core.CoreControl
-	
+
+	wrap   bool
 	text   string
 	drawer artist.TextDrawer
 }
 
-func NewLabel (text string) (element *Label) {
+// NewLabel creates a new label. If wrap is set to true, the text inside will be
+// wrapped.
+func NewLabel (text string, wrap bool) (element *Label) {
 	element = &Label {  }
 	element.Core, element.core = core.NewCore(element)
 	face := theme.FontFaceRegular()
 	element.drawer.SetFace(face)
+	element.SetWrap(wrap)
 	element.SetText(text)
-	metrics := face.Metrics()
-	emspace, _ := face.GlyphAdvance('M')
-	intEmspace := emspace.Round()
-	if intEmspace < 1 { intEmspace = theme.Padding()}
-	element.core.SetMinimumSize(intEmspace, metrics.Height.Round())
 	return
 }
 
+// Handle handles and event.
 func (element *Label) Handle (event tomo.Event) {
 	switch event.(type) {
 	case tomo.EventResize:
@@ -42,17 +43,47 @@ func (element *Label) Handle (event tomo.Event) {
 	return
 }
 
+// SetText sets the label's text.
 func (element *Label) SetText (text string) {
 	if element.text == text { return }
 
 	element.text = text
 	element.drawer.SetText(text)
+	element.updateMinimumSize()
+	
 	if element.core.HasImage () {
 		element.draw()
 		element.core.PushAll()
 	}
 }
 
+// SetWrap sets wether or not the label's text wraps. If the text is set to
+// wrap, the element will have a minimum size of a single character and
+// automatically wrap its text. If the text is set to not wrap, the element will
+// have a minimum size that fits its text.
+func (element *Label) SetWrap (wrap bool) {
+	if wrap == element.wrap { return }
+	element.wrap = wrap
+	element.updateMinimumSize()
+	
+	if element.core.HasImage () {
+		element.draw()
+		element.core.PushAll()
+	}
+}
+
+func (element *Label) updateMinimumSize () {
+	if element.wrap {
+		em := element.drawer.Em().Round()
+		if em < 1 { em = theme.Padding() }
+		element.core.SetMinimumSize (
+			em, element.drawer.LineHeight().Round())
+	} else {
+		bounds := element.drawer.LayoutBounds()
+		element.core.SetMinimumSize(bounds.Dx(), bounds.Dy())
+	}
+}
+
 func (element *Label) AdvanceSelection (direction int) (ok bool) {
 	return
 }