How do I change the default cursor in leaflet maps?

Question

I am trying to modify the default cursor icon when a certain control button is pressed. Although I was partially successful by using css on the container div, doing this ove

Answer 1

Edit 5.18.2017: Raw CSS and Javascript via Leaflet Framework (recommended)

I was looking through the source code for the BoxZoom plugin and noticed their approach using Leaflet's built-in DOM mutators and wanted to promote it here...this is certainly the best practice.

Example jsfiddle

Somewhere in your CSS include a class like this..

.leaflet-container.crosshair-cursor-enabled {
    cursor:crosshair;
}

When you want to enable crosshairs, do this in your JS..

// Assumes your Leaflet map variable is 'map'..
L.DomUtil.addClass(map._container,'crosshair-cursor-enabled');

Then, when you want to disable crosshairs, do this in your JS..

L.DomUtil.removeClass(map._container,'crosshair-cursor-enabled');

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Original Answer: Map-level Crosshairs

@scud42 got me on the right path. You can use JQuery to change the Leaflet map cursor like this:

$('.leaflet-container').css('cursor','crosshair');

Then later, when you want to reset the map cursor, you can do this:

$('.leaflet-container').css('cursor','');

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Edit 1.21.2016: Per-feature Crosshairs

You can also enable crosshairs for individual features supporting the className option, such as a polygon, or feature vertices, etc.

Here's an example of a draggable vertice that will toggle pointer crosshairs (jsfiddle):

var svg_html_default = '
';

var default_icon = L.divIcon({
  html: svg_html_default,
  className: 'leaflet-mouse-marker',
  iconAnchor: [5,5],
  iconSize: [8,8]
});

var m = new L.marker([33.9731003, -80.9968865], {
  icon: default_icon,
  draggable: true,
  opacity: 0.7
}).addTo( map );

m.on("mouseover",function(){$('.leaflet-mouse-marker').css('cursor','crosshair');});

m.on("mouseout",function(){$('.leaflet-mouse-marker').css('cursor','');});