add discard2 icon and button to trigger the free action

1 files changed, 15 insertions, 0 deletions

diff --git a/go/ui/button.go b/go/ui/button.go
index 9afa8c05..6e8fd8b7 100644
--- a/go/ui/button.go
+++ b/go/ui/button.go
@@ -83,3 +83,18 @@ func (b *SimpleButton) UpdateLabel(label string) {
 		b.ForceRedraw()
 	}
 }
+
+type ImageButton struct {
+	WidgetBase
+	img *ebiten.Image
+}
+
+func NewImageButton(x, y int, img *ebiten.Image, onClick func(b *ImageButton)) *ImageButton {
+	bounds := img.Bounds()
+	sb := &ImageButton{NewWidgetBase(x, y, bounds.Dx(), bounds.Dy()), img}
+	sb.EventHandlersMap["click"] = func(int, int) { onClick(sb) }
+	sb.renderImpl = func() *ebiten.Image {
+		return sb.img
+	}
+	return sb
+}