add stylus and touch mode to drawing a shape

2019-02-20 13:55:22 +07:00
parent 7c1e16abc3
commit 0c889da99c
2 changed files with 14 additions and 2 deletions
@@ -230,6 +230,19 @@ export const mouseOnly = function(mapBrowserEvent) {
  return pointerEvent.pointerType == 'mouse';
 };

+export const touchOnly = (mapBrowserEvent) => {
+  const pointerEvt = /** @type {import("../MapBrowserPointerEvent").default} */ (mapBrowserEvent).pointerEvent;
+  assert(pointerEvt !== undefined, 56); // mapBrowserEvent must originate from a pointer event
+  // see http://www.w3.org/TR/pointerevents/#widl-PointerEvent-pointerType
+  return pointerEvt.pointerType === 'touch';
+};
+
+export const penOnly = (mapBrowserEvent) => {
+  const pointerEvt = /** @type {import("../MapBrowserPointerEvent").default} */ (mapBrowserEvent).pointerEvent;
+  assert(pointerEvt !== undefined, 56); // mapBrowserEvent must originate from a pointer event
+  // see http://www.w3.org/TR/pointerevents/#widl-PointerEvent-pointerType
+  return pointerEvt.pointerType === 'pen';
+};

 /**
 * Return `true` if the event originates from a primary pointer in