[test] canvas has reduced interactive area on mobile

test/canvas.go

@@ -126,10 +126,6 @@ func (c *canvas) Focused() fyne.Focusable {
 	return c.focusManager().Focused()
 }
 
-func (c *canvas) InteractiveArea() (fyne.Position, fyne.Size) {
-	return fyne.Position{}, c.Size()
-}
-
 func (c *canvas) OnTypedKey() func(*fyne.KeyEvent) {
 	c.propertyLock.RLock()
 	defer c.propertyLock.RUnlock()

test/canvas_desktop.go

@@ -0,0 +1,9 @@
+//go:build !mobile
+
+package test
+
+import "fyne.io/fyne/v2"
+
+func (c *canvas) InteractiveArea() (fyne.Position, fyne.Size) {
+	return fyne.Position{}, c.Size()
+}

test/canvas_desktop_test.go

@@ -0,0 +1,19 @@
+//go:build !mobile
+
+package test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"fyne.io/fyne/v2"
+)
+
+func Test_canvas_InteractiveArea(t *testing.T) {
+	c := NewCanvas()
+	c.Resize(fyne.NewSize(600, 400))
+	pos, size := c.InteractiveArea()
+	assert.Equal(t, fyne.NewPos(0, 0), pos)
+	assert.Equal(t, fyne.NewSize(600, 400), size)
+}

test/canvas_mobile.go

@@ -0,0 +1,9 @@
+//go:build mobile
+
+package test
+
+import "fyne.io/fyne/v2"
+
+func (c *canvas) InteractiveArea() (fyne.Position, fyne.Size) {
+	return fyne.NewPos(17, 42), c.Size().SubtractWidthHeight(88, 66)
+}

test/canvas_mobile_test.go

@@ -0,0 +1,19 @@
+//go:build mobile
+
+package test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"fyne.io/fyne/v2"
+)
+
+func Test_canvas_InteractiveArea(t *testing.T) {
+	c := NewCanvas()
+	c.Resize(fyne.NewSize(600, 400))
+	pos, size := c.InteractiveArea()
+	assert.Equal(t, fyne.NewPos(17, 42), pos)
+	assert.Equal(t, fyne.NewSize(512, 334), size)
+}