add text input and properly center text

1 files changed, 19 insertions, 0 deletions

diff --git a/go/ui/utils.go b/go/ui/utils.go
new file mode 100644
index 00000000..fd15b642
--- /dev/null
+++ b/go/ui/utils.go
@@ -0,0 +1,19 @@
+package ui
+
+import (
+	"image"
+)
+
+func centerTextXOffset(b image.Rectangle) int {
+	return (b.Dx() / 2) - b.Min.X
+}
+
+func centerTextYOffset(b image.Rectangle) int {
+	return (b.Dy() / 2) + b.Min.Y
+}
+
+func centerText(b image.Rectangle) (x int, y int) {
+	x = centerTextXOffset(b)
+	y = centerTextYOffset(b)
+	return
+}