New app: hidmouse

apps/hidmouse/README.md

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+# Mouse
+
+Connect to a computer, drag the screen to move your mouse. Tap or press the BangleJS2's button to left-click.

apps/hidmouse/app.js

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+const mouse = require("ble_hid_mouse");
+const SENSITIVITY = 3;
+
+// x, y, *wheel: -127 ..= 127
+const send = (x, y, btn, wheel, hwheel, cb) => {
+	"ram";
+	if(btn == null) btn = 0;
+	if(wheel == null) wheel = 0;
+	if(hwheel == null) hwheel = 0;
+
+	try{
+		NRF.sendHIDReport([btn, x, y, wheel, hwheel, 0, 0, 0], function() {
+			"ram";
+			try{
+				NRF.sendHIDReport([0, 0, 0, 0, 0, 0, 0, 0], function() {
+					"ram";
+					if(cb) cb();
+				});
+			}catch(e){
+				if(cb) cb();
+			}
+		});
+	}catch(e){
+		if(cb) cb();
+	}
+};
+
+const tap = () => {
+	send(0, 0, mouse.BUTTONS.LEFT);
+};
+
+const initBLE = () => {
+	NRF.setServices(undefined, { hid: mouse.report });
+};
+
+const queue = {
+	dx: 0,
+	dy: 0,
+	flushing: false,
+};
+
+const flushQueue = () => {
+	if(queue.flushing) return;
+	queue.flushing = true;
+
+	const dx = queue.dx;
+	const dy = queue.dy;
+	queue.dx = 0;
+	queue.dy = 0;
+
+	send(dx, dy, null, null, null, () => {
+		queue.flushing = false;
+	});
+};
+
+const draw = () => {
+	const W = Bangle.appRect.w;
+	const H = Bangle.appRect.h;
+
+  g.clear();
+
+	const img = require("Storage").read("hidmouse.img");
+  if (img) g.drawImage(img, W/2, H/2 - 20, {center: true});
+
+  g
+		.setFont("6x8", 2)
+		.setColor(1, 1, 1)
+		.setFontAlign(0,  -1,  0);
+
+  const connected = NRF.getSecurityStatus().connected;
+  g.drawString(connected ? "Connected" : "Disconnected",  W/2,  H/2 + 40);
+};
+
+Bangle.on("drag", e => { // e: x, y, dx, dy, b
+	"ram";
+	queue.dx += e.dx * SENSITIVITY;
+	queue.dy += e.dy * SENSITIVITY;
+	flushQueue();
+});
+
+Bangle.on("tap", tap);
+
+setWatch(tap, BTN, { edge: "rising", repeat: true, debounce: 50 });
+
+initBLE();
+
+NRF.on('connect', draw);
+NRF.on('disconnect', draw);
+draw();

apps/hidmouse/metadata.json

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+{
+	"id": "hidmouse",
+	"name": "BLE Mouse",
+	"version": "0.01",
+	"author": "bobrippling",
+	"description": "A mouse app - use your watch as a bluetooth mouse",
+	"icon": "app.png",
+	"type": "app",
+	"tags": "mouse,bluetooth,hid",
+	"supports" : ["BANGLEJS2"],
+	"readme": "README.md",
+	"storage": [
+		{"name": "hidmouse.app.js", "url": "app.js"},
+		{"name": "hidmouse.img", "url": "app-icon.js", "evaluate": true}
+	]
+}

apps/presentor/metadata.json

@@ -5,7 +5,7 @@
   "description": "Use your Bangle to present!",
   "icon": "app.png",
   "type": "app",
-  "tags": "tool,bluetooth",
+  "tags": "tool,bluetooth,mouse,hid",
   "interface": "interface.html",
   "readme":"README.md",
   "supports": ["BANGLEJS", "BANGLEJS2"],