tweaks to last commit

apps/setting/settings.js

@@ -163,8 +163,9 @@ function showBLEMenu() {
   });
 }
 
-let m;
-function updT(th) {
+function showThemeMenu() {
+  function cl(x) { return g.setColor(x).getColor(); }
+  function upd(th) {
     g.theme = th;
     settings.theme = th;
     updateSettings();
@@ -175,14 +176,12 @@ function updT(th) {
     g.clear(1);
     Bangle.drawWidgets();
     m.draw();
-}
-function showThemeMenu() {
-  function cl(x) { return g.setColor(x).getColor(); }
-  m = E.showMenu({
+  }
+  var m = E.showMenu({
     '':{title:'Theme'},
     '< Back': ()=>showMainMenu(),
     'Dark BW': ()=>{
-      updT({
+      upd({
         fg:cl("#fff"), bg:cl("#000"),
         fg2:cl("#0ff"), bg2:cl("#000"),
         fgH:cl("#fff"), bgH:cl("#00f"),
@@ -190,7 +189,7 @@ function showThemeMenu() {
       });
     },
     'Light BW': ()=>{
-      updT({
+      upd({
         fg:cl("#000"), bg:cl("#fff"),
         fg2:cl("#00f"), bg2:cl("#0ff"),
         fgH:cl("#000"), bgH:cl("#0ff"),
@@ -199,8 +198,8 @@ function showThemeMenu() {
     },
     'Customize': ()=>showCustomThemeMenu(),
   });
-}
-function showCustomThemeMenu() {
+
+  function showCustomThemeMenu() {
     function cv(x) { return g.setColor(x).getColor(); }
     function setT(t, v) {
       let th = g.theme;
@@ -224,7 +223,10 @@ function showCustomThemeMenu() {
       const i = colors.indexOf(v);
       return i!== -1 ? names[i] : v; // another color: just show value
     }
-  let menu = {'':{title:'Customize Theme'}};
+    let menu = {
+      '':{title:'Customize Theme'},
+      "< Back"] : () => showThemeMenu();
+    };
     const labels = {
       fg: 'Foreground', bg: 'Background',
       fg2: 'Foreground 2', bg2: 'Background 2',
@@ -249,8 +251,9 @@ function showCustomThemeMenu() {
           },
         };
     });
-  menu["< Back"] = () => {delete m;showThemeMenu();};
+    menu["< Back"] = () => showThemeMenu();
     m = E.showMenu(menu);
+  }
 }
 
 function showPasskeyMenu() {
@@ -291,7 +294,7 @@ function showWhitelistMenu() {
   if (settings.whitelist) settings.whitelist.forEach(function(d){
     menu[d.substr(0,17)] = function() {
       E.showPrompt('Remove\n'+d).then((v) => {
-        if (v) 
+        if (v) {
           settings.whitelist.splice(settings.whitelist.indexOf(d),1);
           updateSettings();
         }