widlockunlock: handle widget tap to lock

apps/widlockunlock/ChangeLog

@@ -1 +1,2 @@
 0.01: First commit
+0.02: Add tap-to-lock functionality

apps/widlockunlock/metadata.json

@@ -1,8 +1,8 @@
 {
   "id": "widlockunlock",
   "name": "Lock/Unlock Widget",
-  "version": "0.01",
-  "description": "On devices with always-on display (Bangle.js 2) this displays lock icon whenever the display is locked, or an unlock icon otherwise",
+  "version": "0.02",
+  "description": "On devices with always-on display (Bangle.js 2) this displays lock icon whenever the display is locked, or an unlock icon otherwise. Tap to lock the lcd",
   "icon": "widget.png",
   "type": "widget",
   "tags": "widget,lock",

apps/widlockunlock/widget.js

@@ -1,6 +1,41 @@
-Bangle.on("lockunlock", function() {
-  Bangle.drawWidgets();
+WIDGETS["lockunlock"] = {
+  area: "tl",
+  sortorder: 10,
+  width: 14,
+  draw: w => {
+    g.reset()
+      .drawImage(
+        atob(Bangle.isLocked()
+        ? "DBGBAAAA8DnDDCBCBP////////n/n/n//////z/A"
+        : "DBGBAAAA8BnDDCBABP///8A8A8Y8Y8Y8A8A//z/A"),
+        w.x + 1,
+        w.y + 3
+      );
+  },
+};
+Bangle.on("lock", () => Bangle.drawWidgets());
+
+Bangle.on('touch', (_btn, xy) => {
+  const oversize = 5;
+
+  const w = WIDGETS.lockunlock;
+
+  const x = xy.x;
+  const y = xy.y;
+
+  if(w.x - oversize <= x && x < w.x + 14 + oversize
+  && w.y - oversize <= y && y < w.y + 24 + oversize)
+  {
+    Bangle.setLocked(true);
+
+    const backlightTimeout = Bangle.getOptions().backlightTimeout; // ms
+
+    // seems to be a race/if we don't give the firmware enough time,
+    // it won't timeout the backlight and we'll restore it in our setTimeout below
+    Bangle.setOptions({ backlightTimeout: 100 });
+
+    setTimeout(() => {
+      Bangle.setOptions({ backlightTimeout });
+    }, 300);
+  }
 });
-WIDGETS["lockunlock"]={area:"tl",sortorder:10,width:14,draw:function(w) {
-  g.reset().drawImage(atob(Bangle.isLocked() ? "DBGBAAAA8DnDDCBCBP////////n/n/n//////z/A" : "DBGBAAAA8BnDDCBABP///8A8A8Y8Y8Y8A8A//z/A"), w.x+1, w.y+3);
-}};