mirror of https://github.com/espruino/BangleApps
42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
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(function() {
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const WIDTH = 50;
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const SEC_PER_BEAT = 86.4;
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let drawTimeout;
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function getSecondsSinceMidnight() {
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const now = new Date();
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return now.getHours() * 3600 + now.getMinutes() * 60 + now.getSeconds();
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}
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function queueDraw() {
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if (drawTimeout) clearTimeout(drawTimeout);
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const nextSecond = SEC_PER_BEAT - (getSecondsSinceMidnight() % SEC_PER_BEAT);
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drawTimeout = setTimeout(function() {
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drawTimeout = undefined;
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WIDGETS.widswatchbeats.draw();
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}, nextSecond * 1000 + 1); // Add one ms to ensure we're past the beat
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}
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function draw() {
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const now = new Date();
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const seconds = now.getHours() * 3600 + now.getMinutes() * 60 + now.getSeconds();
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const beats = Math.floor(seconds / SEC_PER_BEAT);
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const beatsString = '@' + beats.toString().padStart(3, '0');
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g.reset();
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g.setFontAlign(0, 0);
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g.clearRect(this.x, this.y, this.x + WIDTH, this.y+22);
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g.setFont("6x8", 2);
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g.drawString(beatsString, this.x+WIDTH/2, this.y+12);
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queueDraw();
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}
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WIDGETS.widswatchbeats = {
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area: "tl",
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width: WIDTH,
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draw
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};
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})();
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