ui: Add AdjustedTouches for consistency

input.go

@@ -119,7 +119,7 @@ type Touch interface {
 //
 // Touches always returns nil on desktops.
 func Touches() []Touch {
-	t := input.Get().Touches()
+	t := ui.AdjustedTouches()
 	tt := make([]Touch, len(t))
 	for i := 0; i < len(tt); i++ {
 		tt[i] = t[i]

internal/ui/ui_glfw.go

@@ -366,6 +366,11 @@ func adjustCursorPosition(x, y int) (int, int) {
 	return x - int(ox/s), y - int(oy/s)
 }
 
+func AdjustedTouches() []*input.Touch {
+	// TODO: Apply adjustCursorPosition
+	return input.Get().Touches()
+}
+
 func IsCursorVisible() bool {
 	u := currentUI
 	if !u.isRunning() {

internal/ui/ui_js.go

@@ -86,6 +86,11 @@ func AdjustedCursorPosition() (x, y int) {
 	return int(float64(x) / scale), int(float64(y) / scale)
 }
 
+func AdjustedTouches() []*input.Touch {
+	// TODO: Apply adjustment here
+	return input.Get().Touches()
+}
+
 func IsCursorVisible() bool {
 	// The initial value is an empty string, so don't compare with "auto" here.
 	return canvas.Get("style").Get("cursor").String() != "none"

internal/ui/ui_mobile.go

@@ -242,6 +242,11 @@ func AdjustedCursorPosition() (x, y int) {
 	return currentUI.adjustCursorPosition(input.Get().CursorPosition())
 }
 
+func AdjustedTouches() []*input.Touch {
+	// TODO: Apply adjustment here
+	return input.Get().Touches()
+}
+
 func (u *userInterface) adjustCursorPosition(x, y int) (int, int) {
 	u.m.Lock()
 	ox, oy, _, _ := u.screenPaddingImpl()