Move map marker with a click on the map.

gfgeo_move_marker_on_click.php

function gfgeo_move_map_marker_onclick() {
	?>
	<script>
	jQuery( document ).on( 'gfgeo_render_map', function( event, GF_Geo, map_data ) {

		GF_Geo.map_single_click = false;

		google.maps.event.addListener( GF_Geo.maps[map_data.map_id].map, 'click', function( event) {
		    
		    GF_Geo.map_single_click = true;
		    
		    setTimeout( function() {

		        if ( GF_Geo.map_single_click ) { 
		            
		            GF_Geo.maps[map_data.map_id].marker.setPosition( event.latLng );
		        		        	
		            // set the global Geocoder ID
                	GF_Geo.geocoder_id = map_data.geocoder_id;

                	// geocode coords to get address fields
                	GF_Geo.geocoder( 'map', [ event.latLng.lat(), event.latLng.lng() ], GF_Geo.map_geocoder_success, false );
		        }

		    }, 200);
		});

		google.maps.event.addListener( GF_Geo.maps[map_data.map_id].map, 'dblclick', function( event ) {
		     GF_Geo.map_single_click = false;
		});

	});
	</script>
	<?php
}
add_action( 'wp_footer', 'gfgeo_move_map_marker_onclick' );