Many improvements

apps/linuxclock/app.js

@@ -55,18 +55,18 @@ var H = g.getHeight();
      show: function() { dateMenu.items[0].emit("redraw"); },
      hide: function () {}
    },
+   { name: "day",
+    get: () => ({ text: getDay(), img: null}),
+    show: function() { dateMenu.items[2].emit("redraw"); },
+    hide: function () {}
+   },
    { name: "date",
      get: () => ({ text: getDate(), img: null}),
      show: function() { dateMenu.items[1].emit("redraw"); },
      hide: function () {}
    },
-   { name: "steps",
+   { name: "week",
-     get: () => ({ text: Bangle.getHealthStatus("day").steps, img: null}),
+     get: () => ({ text: weekOfYear(), img: null}),
-     show: function() { dateMenu.items[2].emit("redraw"); },
-     hide: function () {}
-   },
-   { name: "battery",
-     get: () => ({ text: E.getBattery() + (Bangle.isCharging() ? "%++" : "%"), img: null}),
      show: function() { dateMenu.items[3].emit("redraw"); },
      hide: function () {}
    },
@@ -130,6 +130,23 @@ function getDate(){
   return twoD(date.getDate()) + "." + twoD(date.getMonth());
 }
 
+function getDay(){
+  var date = new Date();
+  return locale.dow(date, true);
+}
+
+function weekOfYear() {
+  var date = new Date();
+  date.setHours(0, 0, 0, 0);
+  // Thursday in current week decides the year.
+  date.setDate(date.getDate() + 3 - (date.getDay() + 6) % 7);
+  // January 4 is always in week 1.
+  var week1 = new Date(date.getFullYear(), 0, 4);
+  // Adjust to Thursday in week 1 and count number of weeks from date to week1.
+  return 1 + Math.round(((date.getTime() - week1.getTime()) / 86400000
+                        - 3 + (week1.getDay() + 6) % 7) / 7);
+}
+
 
 
  /************************************************
@@ -138,8 +155,7 @@ function getDate(){
  function draw() {
    queueDraw();
 
-   g.clear();
+   g.clearRect(0,24,W,H);
-   Bangle.drawWidgets();
 
    drawMainScreen();
  }
@@ -362,6 +378,7 @@ function drawCursor(){
 
  // Load and draw widgets
  Bangle.loadWidgets();
+ Bangle.drawWidgets();
 
  // Draw first time
  draw();