Add Bangle.js 2 scroll launcher

apps.json

@@ -51,6 +51,19 @@
     ],
     "sortorder" : -10
   },
+  { "id": "launchb2",
+    "name": "Launcher (Bangle.js 2)",
+    "shortName":"Launcher",
+    "icon": "app.png",
+    "version":"0.01",
+    "description": "This is needed by Bangle.js 2.0 to display a menu allowing you to choose your own applications. It will not work on Bangle.js 1.0.",
+    "tags": "tool,system,launcher,b2,bno1",
+    "type":"launch",
+    "storage": [
+      {"name":"launchb2.app.js","url":"app.js"}
+    ],
+    "sortorder" : -10
+  },
   { "id": "about",
     "name": "About",
     "icon": "app.png",

apps/launchb2/ChangeLog

@@ -0,0 +1 @@
+0.01: New App!

apps/launchb2/app.js

@@ -0,0 +1,67 @@
+var s = require("Storage");
+var apps = s.list(/\.info$/).map(app=>{var a=s.readJSON(app,1);return a&&{name:a.name,type:a.type,icon:a.icon,sortorder:a.sortorder,src:a.src};}).filter(app=>app && (app.type=="app" || app.type=="clock" || !app.type));
+apps.sort((a,b)=>{
+  var n=(0|a.sortorder)-(0|b.sortorder);
+  if (n) return n; // do sortorder first
+  if (a.name<b.name) return -1;
+  if (a.name>b.name) return 1;
+  return 0;
+});
+var APPH = 64;
+var menuScroll = 0;
+var menuShowing = false;
+var w = g.getWidth();
+var h = g.getHeight();
+var n = Math.ceil((h-24)/APPH);
+var menuScrollMax = APPH*apps.length - (h-24);
+
+apps.forEach(app=>{
+  if (app.icon)
+    app.icon = s.read(app.icon); // should just be a link to a memory area
+});
+
+function drawApp(i) {
+  var y = 24+i*APPH-menuScroll;
+  var app = apps[i];
+  if (!app || y<-APPH || y>=g.getHeight()) return;
+  g.setFont("6x8",2).setFontAlign(-1,0).drawString(app.name,64,y+32);
+  if (app.icon) try {g.drawImage(app.icon,8,y+8);} catch(e){}
+}
+
+function drawMenu() {
+  g.reset().clearRect(0,24,w-1,h-1);
+  g.setClipRect(0,24,g.getWidth()-1,g.getHeight()-1);
+  for (var i=0;i<n;i++) drawApp(i);
+  g.setClipRect(0,0,g.getWidth()-1,g.getHeight()-1);
+}
+g.clear();
+drawMenu();
+Bangle.on('drag',e=>{
+  var dy = e.dy;
+  if (menuScroll - dy < 0)
+    dy = menuScroll;
+  if (menuScroll - dy > menuScrollMax)
+    dy = menuScroll - menuScrollMax;
+  if (!dy) return;
+  g.reset().setClipRect(0,24,g.getWidth()-1,g.getHeight()-1);
+  g.scroll(0,dy);
+  menuScroll -= dy;
+  if (e.dy < 0) drawApp(Math.floor((menuScroll+24)/APPH)+n-1);
+  else drawApp(Math.floor((menuScroll+24)/APPH));
+  g.setClipRect(0,0,g.getWidth()-1,g.getHeight()-1);
+});
+Bangle.on("touch",(_,e)=>{
+  if (e.y<20) return;
+  var i = Math.floor((e.y+menuScroll-24) / APPH);
+  var app = apps[i];
+  if (!app) return;
+  if (!app.src || require("Storage").read(app.src)===undefined) {
+    E.showMessage("App Source\nNot found");
+    setTimeout(drawMenu, 2000);
+  } else {
+    E.showMessage("Loading...");
+    load(app.src);
+  }
+});
+Bangle.loadWidgets();
+Bangle.drawWidgets();