HTML5 Canvas Special Stage Events Konva

All events are started from Shapes. So if you click on an empty space within a canvas, a click event will not trigger on Layer But it will trigger on the Stage object instead.

Konva Stage Events Demoview raw
<!DOCTYPE html>
<html>
<head>
<script src="https://unpkg.com/[email protected]/konva.min.js"></script>
<meta charset="utf-8" />
<title>Konva Stage Events Demo</title>
<style>
body {
margin: 0;
padding: 0;
overflow: hidden;
background-color: #f0f0f0;
}
</style>
</head>

<body>
<div id="container"></div>
<script>
var width = window.innerWidth;
var height = window.innerHeight;

var stage = new Konva.Stage({
container: 'container',
width: width,
height: height
});

var layer = new Konva.Layer();
// add the layer to the stage
stage.add(layer);

var circle = new Konva.Circle({
x: stage.width() / 2,
y: stage.height() / 2,
fill: 'blue',
radius: 30
});

layer.add(circle).draw();

stage.on('click', function(e) {
// e.target is a clicked Konva.Shape or current stage if you clicked on empty space
console.log('clicked on', e.target);
console.log(
'usual click on ' + JSON.stringify(stage.getPointerPosition())
);
});
</script>
</body>
</html>