swipeinv: new app

Inverts swipe direction globally or per app

apps/swipeinv/boot.js

@@ -0,0 +1,19 @@
+{
+  const settings = Object.assign({
+    global: false,
+    apps: []
+  }, require("Storage").readJSON("swipeinv.json", true) || {});
+
+  if (settings.global || settings.apps.length > 0) {
+    const setURIOrig = Bangle.setUI;
+    Bangle.setUI = (mode, callback) => {
+      if (typeof mode === "object" && mode.swipe) {
+        if (settings.global ^ settings.apps.includes(global.__FILE__)) {
+          const origSwipeCb = mode.swipe;
+          mode.swipe = (dirLR, dirUD) => origSwipeCb(dirLR*-1, dirUD*-1);
+        }
+      }
+      return setURIOrig(mode, callback);
+    };
+  }
+}

apps/swipeinv/metadata.json

@@ -0,0 +1,17 @@
+{
+  "id": "swipeinv",
+  "name": "Swipe inversion",
+  "shortName":"Swipe inv.",
+  "icon": "app.png",
+  "version":"0.01",
+  "description": "Inverts swipe direction globally or per app, see settings. If global inversion is enabled, you can unselect the inversion per app and vice versa.",
+  "type": "bootloader",
+  "tags": "system",
+  "supports": ["BANGLEJS2"],
+  "storage": [
+    {"name":"swipeinv.boot.js","url":"boot.js"},
+    {"name":"swipeinv.settings.js","url":"settings.js"}
+  ],
+  "data": [{"name":"swipeinv.json"}]
+}
+

apps/swipeinv/settings.js

@@ -0,0 +1,58 @@
+(function(back) {
+  var FILE = "swipeinv.json";
+  // Load settings
+  const settings = Object.assign({
+    global: false,
+    apps: []
+  }, require("Storage").readJSON(FILE, true) || {});
+
+  function writeSettings() {
+    require('Storage').writeJSON(FILE, settings);
+  }
+
+  function appMenu() {
+    menu = {
+      "" : { "title" : /*LANG*/"Swipe inversion apps" },
+      "< Back" : () => { writeSettings(); mainMenu();}
+    };
+    require("Storage").list(/\.info$/).map(app=>require("Storage").readJSON(app,1)).filter(app => app.type === "app" || !app.type).sort((a,b) => {
+      if (a.name<b.name) return -1;
+      if (a.name>b.name) return 1;
+      return 0;
+    }).forEach(app => {
+      menu[app.name] = {
+        value: settings.apps.includes(app.src),
+        onchange: v => {
+          if (v) {
+            settings.apps.push(app.src);
+          } else {
+            const idx = settings.apps.indexOf(app.src);
+            if (idx !== -1) {
+              settings.apps.splice(idx, 1);
+            }
+          }
+        }
+      };
+    });
+    E.showMenu(menu);
+  }
+
+  function mainMenu() {
+    E.showMenu({
+      "" : { "title" : /*LANG*/"Swipe inversion" },
+      "< Back" : () => back(),
+
+      /*LANG*/'Invert globally': {
+        value: !!settings.global,
+        onchange: v => {
+          settings.global = v;
+          writeSettings();
+        }
+      },
+
+      /*LANG*/'Select apps': () => appMenu()
+    });
+  }
+
+  mainMenu();
+})