Stopwatch: touch based stopwatch for Bangle 2

apps.json

@@ -3612,5 +3612,18 @@
     {"name":"ffcniftya.app.js","url":"app.js"},
     {"name":"ffcniftya.img","url":"app-icon.js","evaluate":true}
   ]
+},
+{ "id": "stopwatch",
+  "name": "Stopwatch",
+  "shortName":"Stopwatch",
+  "icon": "stopwatch.png",
+  "version":"0.01",
+  "description": "A touch controlled stopwatch for Bangle 2",
+  "readme": "README.md",
+  "tags": "tool, b2",
+  "storage": [
+    {"name":"stopwatch.app.js","url":"stopwatch.js"},
+    {"name":"stopwatch.img","url":"stopwatch.icon.js","evaluate":true}
+  ]
 }
 ]

apps/stopwatch/ChangeLog

@@ -0,0 +1 @@
+0.01: first release

apps/stopwatch/README.md

@@ -0,0 +1,20 @@
+# Stopwatch
+
+A touch screen based stop watch for Bangle 2
+
+## Screenshots
+
+## Features
+
+* Feature A
+* Feature B
+
+## Future features
+
+I'm keen to complete this project with
+
+* Ability to dismiss the app and leave it running in the background
+* A small widget to show the elapsed time on the curren active clock
+* Laptimes, with a way to view all the laptimes on a scrollable screen
+
+

apps/stopwatch/stopwatch.app.js

@@ -0,0 +1,222 @@
+let w = g.getWidth();
+let h = g.getHeight();
+let tTotal = Date.now();
+let tStart = tTotal;
+let tCurrent = tTotal;
+let running = false;
+let timeY = 2*h/5;
+let displayInterval;
+let redrawButtons = true;
+const iconScale = g.getWidth() / 178; // scale up/down based on Bangle 2 size
+
+// 24 pixel images, scale to watch
+// 1 bit optimal, image string, no E.toArrayBuffer()
+//const reset_img_a = atob("GBiBAf////////////AAD+AAB+AAB+AAB+AAB+D/B+D/B+D/B+D/B+D/B+D/B+D/B+D/B+AAB+AAB+AAB+AAB/AAD////////////w==");
+const pause_img = atob("GBiBAf////////////////wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP/wYP////////////////w==");
+const play_img = atob("GBjBAP//AAAAAAAAAAAIAAAOAAAPgAAP4AAP+AAP/AAP/wAP/8AP//AP//gP//gP//AP/8AP/wAP/AAP+AAP4AAPgAAOAAAIAAAAAAAAAAA=");
+const reset_img = atob("GBiBAf////////////AAD+AAB+f/5+f/5+f/5+cA5+cA5+cA5+cA5+cA5+cA5+cA5+cA5+f/5+f/5+f/5+AAB/AAD////////////w==");
+
+function log_debug(o) {
+  //console.log(o);
+}
+
+function timeToText(t) {
+  let hrs = Math.floor(t/3600000);
+  let mins = Math.floor(t/60000)%60;
+  let secs = Math.floor(t/1000)%60;
+  let tnth = Math.floor(t/100)%10;
+  let text;
+
+  if (hrs === 0) 
+    text = ("0"+mins).substr(-2) + ":" + ("0"+secs).substr(-2) + "." + tnth;
+  else
+    text = (""+hrs) + ":" + ("0"+mins).substr(-2) + ":" + ("0"+secs).substr(-2) + "." + tnth;
+
+  //log_debug(text);
+  return text;
+}
+
+function drawButtons() {
+  log_debug("drawButtons()");
+  if (!running && tCurrent == tTotal) {
+    bigPlayPauseBtn.draw();
+  } else if (!running && tCurrent != tTotal) {
+    resetBtn.draw();
+    smallPlayPauseBtn.draw();
+  } else {
+    bigPlayPauseBtn.draw();
+  }
+  
+  redrawButtons = false;
+}
+
+function drawTime() {
+  //log_debug("drawTime()");
+  let Tt = tCurrent-tTotal;
+  let Ttxt = timeToText(Tt);
+
+  // total time
+  g.setFont("Vector",38);  // check
+  g.setFontAlign(0,0);
+  g.clearRect(0, timeY - 21, w, timeY + 21);
+  g.setColor(g.theme.fg); 
+  g.drawString(Ttxt, w/2, timeY);
+}
+
+function draw() {
+  let last = tCurrent;
+  if (running) tCurrent = Date.now();
+  g.setColor(g.theme.fg);
+  if (redrawButtons) drawButtons();
+  drawTime();
+}
+
+function startTimer() {
+  log_debug("startTimer()");
+  draw();
+  displayInterval = setInterval(draw, 100);
+}
+
+function stopTimer() {
+  log_debug("stopTimer()");
+  if (displayInterval) {
+    clearInterval(displayInterval);
+    displayInterval = undefined;
+  }
+}
+
+// BTN stop start
+function stopStart() {
+  log_debug("stopStart()");
+
+  if (running)
+    stopTimer();
+
+  running = !running;
+  Bangle.buzz();
+
+  if (running)
+    tStart = Date.now() + tStart- tCurrent;  
+  tTotal = Date.now() + tTotal - tCurrent;
+  tCurrent = Date.now();
+
+  setButtonImages();
+  redrawButtons = true;
+  if (running) {
+    startTimer();
+  } else {
+    draw();
+  }
+}
+
+function setButtonImages() {
+  if (running) {
+    bigPlayPauseBtn.setImage(pause_img);
+    smallPlayPauseBtn.setImage(pause_img);
+    resetBtn.setImage(reset_img);
+  } else {
+    bigPlayPauseBtn.setImage(play_img);
+    smallPlayPauseBtn.setImage(play_img);
+    resetBtn.setImage(reset_img);
+  }
+}
+
+// lap or reset
+function lapReset() {
+  log_debug("lapReset()");
+  if (!running && tStart != tCurrent) {
+    redrawButtons = true;
+    Bangle.buzz();
+    tStart = tCurrent = tTotal = Date.now();
+    log_debug("lapReset - clear screen");
+    g.clearRect(0,24,w,h);
+    draw();
+  }
+}
+
+// simple on screen button class
+function BUTTON(name,x,y,w,h,c,f,i) {
+  this.name = name;
+  this.x = x;
+  this.y = y;
+  this.w = w;
+  this.h = h;
+  this.color = c;
+  this.callback = f;
+  this.img = i;
+}
+
+BUTTON.prototype.setImage = function(i) {
+  this.img = i;
+}
+
+// if pressed the callback
+BUTTON.prototype.check = function(x,y) {
+  //console.log(this.name + ":check() x=" + x + " y=" + y +"\n");
+  
+  if (x>= this.x && x<= (this.x + this.w) && y>= this.y && y<= (this.y + this.h)) {
+    log_debug(this.name + ":callback\n");
+    this.callback();
+    return true;
+  }
+  return false;
+};
+
+BUTTON.prototype.draw = function() {
+  g.setColor(this.color);
+  g.fillRect(this.x, this.y, this.x + this.w, this.y + this.h);
+  g.setColor("#000"); // the icons and boxes are drawn black
+  if (this.img != undefined) {
+    let iw = iconScale * 24;  // the images were loaded as 24 pixels, we will scale
+    let ix = this.x + ((this.w - iw) /2);
+    let iy = this.y + ((this.h - iw) /2);
+    log_debug("g.drawImage(" + ix + "," + iy + "{scale: " + iconScale + "})");
+    g.drawImage(this.img, ix, iy, {scale: iconScale}); 
+  }
+  g.drawRect(this.x, this.y, this.x + this.w, this.y + this.h);
+};
+
+
+var bigPlayPauseBtn = new BUTTON("big",0, 3*h/4 ,w, h/4, "#0ff", stopStart, play_img);
+var smallPlayPauseBtn = new BUTTON("small",w/2, 3*h/4 ,w/2, h/4, "#0ff", stopStart, play_img);
+var resetBtn = new BUTTON("rst",0, 3*h/4, w/2, h/4, "#ff0", lapReset, pause_img);
+
+bigPlayPauseBtn.setImage(play_img);
+smallPlayPauseBtn.setImage(play_img);
+resetBtn.setImage(pause_img);
+
+
+Bangle.on('touch', function(button, xy) {
+  // not running, and reset
+  if (!running && tCurrent == tTotal && bigPlayPauseBtn.check(xy.x, xy.y)) return;
+
+  // paused and hit play
+  if (!running && tCurrent != tTotal && smallPlayPauseBtn.check(xy.x, xy.y)) return;
+
+  // paused and press reset
+  if (!running && tCurrent != tTotal && resetBtn.check(xy.x, xy.y)) return;
+
+  // must be running
+  if (running && bigPlayPauseBtn.check(xy.x, xy.y)) return;
+});
+
+// Stop updates when LCD is off, restart when on
+Bangle.on('lcdPower',on=>{
+  if (on) {
+    draw(); // draw immediately, queue redraw
+  } else { // stop draw timer
+    if (drawTimeout) clearTimeout(drawTimeout);
+    drawTimeout = undefined;
+  }
+});
+
+// Clear the screen once, at startup
+g.setTheme({bg:"#000",fg:"#fff",dark:true}).clear();
+// above not working, hence using next 2 lines
+g.setColor("#000");
+g.fillRect(0,0,w,h);
+
+Bangle.loadWidgets();
+Bangle.drawWidgets();
+draw();
+Bangle.setUI("clock"); // Show launcher when button pressed

apps/stopwatch/stopwatch.icon.js

@@ -0,0 +1 @@
+require("heatshrink").decompress(atob("mEw4UA///vvvvEF/muH+cDHgPABf4AElWoKhILClALH1WqAQIWHBYIABwAKEgQKD1WgBYkK1X1r4XHlWtqtVvQLG1XVBYNXHYsC1YJBBoPqC4kKEQILCvQ7EhW1BYdeBYkqytVqwCCQwkqCgILCq4LFIoILCqoLEIwIsBGQJIBBZ+pA4Na0oDBtQLGvSFCBaYjIHYR3CI5AADBYhrCAAaDHAASDGQASGCBYizCAASzFZYQACZYrjCIwb7QHgIkCvQ6EGAWq+tf1QuEGAWqAAQuFEgQKBEQw9DHIwAuA="));