Use better touch gestures

package.json

@@ -25,6 +25,7 @@
     "jotai": "^2.6.1",
     "leaflet": "^1.9.4",
     "leaflet-defaulticon-compatibility": "^0.1.2",
+    "leaflet-gesture-handling": "^1.2.2",
     "leaflet.markercluster": "^1.5.3",
     "leaflet.smooth_marker_bouncing": "^3.0.3",
     "lodash": "^4.17.21",

src/components/MapEvents.tsx

@@ -2,11 +2,21 @@ import { useEffect, useTransition } from "react";
 
 import { useSetAtom } from "jotai";
 import L from "leaflet";
-import { useMapEvent } from "react-leaflet";
+import { GestureHandling } from "leaflet-gesture-handling";
+import "leaflet-gesture-handling/dist/leaflet-gesture-handling.css";
+import "leaflet/dist/leaflet.css";
+import { useLocale, useTranslations } from "next-intl";
+import { useMap, useMapEvent } from "react-leaflet";
 
 import { mapBoundsAtom } from "@/atoms";
 
+// Add Leaflet.GestureHandling for improved desktop and mobile touch gestures
+L.Map.addInitHook("addHandler", "gestureHandling", GestureHandling);
+
 const MapEvents = () => {
+  const locale = useLocale();
+  const t = useTranslations("Map");
+  const map = useMap();
   const setMapBounds = useSetAtom(mapBoundsAtom);
   const [isPending, startTransition] = useTransition();
 
@@ -16,7 +26,7 @@ const MapEvents = () => {
     L.latLng(51.17, 9.53),
   );
 
-  const map = useMapEvent("moveend", () => {
+  useMapEvent("moveend", () => {
     // Set the map bounds atoms when the user pans/zooms
     startTransition(() => {
       setMapBounds(map.getBounds());
@@ -28,7 +38,30 @@ const MapEvents = () => {
     map.setView(franceBounds.getCenter(), map.getBoundsZoom(franceBounds));
     map.setMaxBounds(worldBounds);
     map.options.maxBoundsViscosity = 1.0; // Prevents going past bounds while dragging
-  }, []); // eslint-disable-line react-hooks/exhaustive-deps
+
+    map.addHandler("gestureHandling", GestureHandling);
+
+    // @ts-expect-error Typescript does not see additional handler here
+    map.gestureHandling.enable();
+  }, [map]);
+
+  useEffect(() => {
+    console.log("setting map language", locale);
+    // @ts-expect-error Typescript does not see additional handler here
+    map.options.gestureHandlingOptions.text = {
+      touch: t("touch"),
+      scroll: t("scroll"),
+      scrollMac: t("scrollMac"),
+    };
+
+    // We need to toggle the handler to update the text on prod.  No idea why.
+
+    // @ts-expect-error Typescript does not see additional handler here
+    map.gestureHandling.disable();
+
+    // @ts-expect-error Typescript does not see additional handler here
+    map.gestureHandling.enable();
+  }, [map, locale]);
 
   return null;
 };

src/messages/en.json

@@ -59,6 +59,12 @@
     "getInvolved": "Echecs France is completely free, open source and open to contributions.  Find us on <link>GitHub</link> if you want to get involved."
   },
 
+  "Map": {
+    "touch": "Use two fingers to move the map",
+    "scroll": "Use ctrl + scroll to zoom the map",
+    "scrollMac": "Use \u2318 + scroll to zoom the map"
+  },
+
   "Tournaments": {
     "loading": "Loading...",
     "searchLabel": "Search",

src/messages/fr.json

@@ -58,6 +58,12 @@
     "getInvolved": "Échecs France est complètement gratuit, open source et ouvert aux contributions. Retrouvez-nous sur <link>GitHub</link> si vous souhaitez vous impliquer."
   },
 
+  "Map": {
+    "touch": "Utilisez deux doigts pour déplacer la carte",
+    "scroll": "Utilisez ctrl + défilement pour zoomer sur la carte",
+    "scrollMac": "Utilisez \u2318 + défilement pour zoomer sur la carte"
+  },
+
   "Tournaments": {
     "loading": "Téléchargement...",
     "searchLabel": "Rechercher",

yarn.lock

@@ -3965,6 +3965,11 @@ leaflet-defaulticon-compatibility@^0.1.2:
   resolved "https://registry.yarnpkg.com/leaflet-defaulticon-compatibility/-/leaflet-defaulticon-compatibility-0.1.2.tgz#f5e1a5841aeab9d1682d17887348855a741b3c2a"
   integrity sha512-IrKagWxkTwzxUkFIumy/Zmo3ksjuAu3zEadtOuJcKzuXaD76Gwvg2Z1mLyx7y52ykOzM8rAH5ChBs4DnfdGa6Q==
 
+leaflet-gesture-handling@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/leaflet-gesture-handling/-/leaflet-gesture-handling-1.2.2.tgz#ea10afb94f2d477d77d47beb21e409ed327df07a"
+  integrity sha512-Blf5V4PoNphWkzL7Y1qge+Spkd4OCQ2atjwUNhMhLIcjKzPcBH++x/lwOinaR9jSqLWqJ6oKYO8d0XdTffy4hQ==
+
 leaflet.markercluster@^1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/leaflet.markercluster/-/leaflet.markercluster-1.5.3.tgz#9cdb52a4eab92671832e1ef9899669e80efc4056"
@@ -5211,8 +5216,16 @@ streamsearch@^1.1.0:
   resolved "https://registry.yarnpkg.com/streamsearch/-/streamsearch-1.1.0.tgz#404dd1e2247ca94af554e841a8ef0eaa238da764"
   integrity sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==
 
-"string-width-cjs@npm:string-width@^4.2.0", string-width@^4.1.0:
+"string-width-cjs@npm:string-width@^4.2.0":
-  name string-width-cjs
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
+  integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
+  dependencies:
+    emoji-regex "^8.0.0"
+    is-fullwidth-code-point "^3.0.0"
+    strip-ansi "^6.0.1"
+
+string-width@^4.1.0:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-4.2.3.tgz#269c7117d27b05ad2e536830a8ec895ef9c6d010"
   integrity sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==
@@ -5285,8 +5298,14 @@ stringify-object@^3.3.0:
     is-obj "^1.0.1"
     is-regexp "^1.0.0"
 
-"strip-ansi-cjs@npm:strip-ansi@^6.0.1", strip-ansi@^6.0.0, strip-ansi@^6.0.1:
+"strip-ansi-cjs@npm:strip-ansi@^6.0.1":
-  name strip-ansi-cjs
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
+  integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==
+  dependencies:
+    ansi-regex "^5.0.1"
+
+strip-ansi@^6.0.0, strip-ansi@^6.0.1:
   version "6.0.1"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.1.tgz#9e26c63d30f53443e9489495b2105d37b67a85d9"
   integrity sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==