Added a selectability core to reduce complexity of selectables

elements/basic/button.go

@@ -9,24 +9,28 @@ import "git.tebibyte.media/sashakoshka/tomo/elements/core"
 // Button is a clickable button.
 type Button struct {
 	*core.Core
+	*core.SelectableCore
 	core core.CoreControl
-	
+	selectableControl core.SelectableCoreControl
-	pressed  bool
-	enabled  bool
-	selected bool
-
-	text   string
 	drawer artist.TextDrawer
 
+	pressed bool
+	text    string
+	
 	onClick func ()
-	onSelectionRequest func () (granted bool)
-	onSelectionMotionRequest func (tomo.SelectionDirection) (granted bool)
 }
 
 // NewButton creates a new button with the specified label text.
 func NewButton (text string) (element *Button) {
-	element = &Button { enabled: true }
+	element = &Button { }
 	element.Core, element.core = core.NewCore(element)
+	element.SelectableCore,
+	element.selectableControl = core.NewSelectableCore (func () {
+		if element.core.HasImage () {
+			element.draw()
+			element.core.DamageAll()
+		}
+	})
 	element.drawer.SetFace(theme.FontFaceRegular())
 	element.SetText(text)
 	return