Improve widget drawing code & fix some typos

apps/widbaroalarm/ChangeLog

@@ -1,5 +1,5 @@
 0.01: Initial version
-0.02: Do not warn multiple times for the same exceedance
+0.02: Do not warn multiple times for the same exceed
 0.03: Fix crash
 0.04: Use Prompt with dismiss and pause
       Improve barometer value median calculation

apps/widbaroalarm/README.md

@@ -16,10 +16,10 @@ Get a notification when the pressure reaches defined thresholds.
 * Show widget: Enable/disable widget visibility
 * Buzz on alarm: Enable/disable buzzer on alarm
 * Dismiss delay: Delay added before the next alert if the alert is dismissed. From 5 to 60 min
-* Pause delay: Same as Dismiss delay but longer (usefull for meetings and such). From 30 to 240 min
+* Pause delay: Same as Dismiss delay but longer (useful for meetings and such). From 30 to 240 min
 
 ## Widget
-The widget shows the last median pressure value
+The widget shows two rows: pressure value of last measurement and pressure average of the the last three hours.
 
 ## Creator
 Marco ([myxor](https://github.com/myxor))

apps/widbaroalarm/widget.js

@@ -227,11 +227,24 @@
         draw: draw
       };
     }
-
     g.reset();
-    if (setting("show") && medianPressure != undefined) {
+    if (setting("show")) {
       g.setFont("6x8", 1).setFontAlign(1, 0);
-      g.drawString(Math.round(medianPressure), this.x + 24, this.y + 6);
+      if (medianPressure == undefined) {
+         check();
+         const x = this.x, y = this.y;
+         g.drawString("...", x + 24, y + 6);
+         setTimeout(function() {
+           g.setFont("6x8", 1).setFontAlign(1, 0);
+           g.drawString(Math.round(medianPressure), x + 24, y + 6);
+         }, 10000);
+      } else {
+         g.drawString(Math.round(medianPressure), this.x + 24, this.y + 6);
+      }
+
+      if (threeHourAvrPressure != undefined && threeHourAvrPressure > 0) {
+        g.drawString(Math.round(threeHourAvrPressure), this.x + 24, this.y + 6 + 10);
+      }
     }
   }