move helper functions to input widget file

2 files changed, 12 insertions, 12 deletions

diff --git a/gui/widget/input.go b/gui/widget/input.go
index d4d6738..f6c1dbc 100644
--- a/gui/widget/input.go
+++ b/gui/widget/input.go
@@ -72,3 +72,15 @@ func inputDraw(str []byte, focused bool, r image.Rectangle) func(draw.Image) ima
 		return r
 	}
 }
+
+func isDigit(r rune) bool {
+	return '0' <= r && r <= '9'
+}
+
+func atoi(s []byte) uint {
+	var n uint = 0
+	for _, d := range s {
+		n = n*10 + uint(d-'0')
+	}
+	return n
+}
diff --git a/gui/widget/widget.go b/gui/widget/widget.go
index 7122359..c5a90dd 100644
--- a/gui/widget/widget.go
+++ b/gui/widget/widget.go
@@ -73,10 +73,6 @@ func outputDraw(v float64, r image.Rectangle) func(draw.Image) image.Rectangle {
 	}
 }
 
-func isDigit(r rune) bool {
-	return '0' <= r && r <= '9'
-}
-
 func contains[T cmp.Ordered](slc []T, v T) bool {
 	for i := range slc {
 		if slc[i] == v {
@@ -85,11 +81,3 @@ func contains[T cmp.Ordered](slc []T, v T) bool {
 	}
 	return false
 }
-
-func atoi(s []byte) uint {
-	var n uint = 0
-	for _, d := range s {
-		n = n*10 + uint(d-'0')
-	}
-	return n
-}