From fcc26a7fa573569a20fbbabaf768ae53ff29bfa6 Mon Sep 17 00:00:00 2001
From: Markus Koch <markus@notsyncing.net>
Date: Sun, 14 Jun 2020 12:02:32 +0200
Subject: Add mouse coordinate display to bottom left

---
 htdocs/mapscript.js | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/htdocs/mapscript.js b/htdocs/mapscript.js
index 3eccb65..a27ee10 100644
--- a/htdocs/mapscript.js
+++ b/htdocs/mapscript.js
@@ -606,6 +606,31 @@ L.GotoControl = L.MyControl.extend({
 mymap.addControl(new L.SearchControl());
 mymap.addControl(new L.GotoControl());
 
+L.CurrentPosControl = L.Control.extend({
+	options: {
+		position : 'bottomleft',
+		callback: null,
+		kind: "",
+		html: ''
+	},
+	onAdd: function (map) {
+		container = L.DomUtil.create('div', 'leaflet-control-scale leaflet-bar');
+		container.style.visibility = "hidden";
+		div = L.DomUtil.create('div', '', container);
+		div.style.backgroundColor = "white";
+		div.style.paddingLeft = "4px";
+		div.style.paddingRight = "4px";
+		div.style.borderRadius = "2px";
+		div.style.margin = "2px";
+		div.style.opacity = "0.6";
+		div.style.fontWeight = "bold";
+		div.innerHTML = "";
+		div.id = "current_position_label";
+		return container;
+	}
+});
+mymap.addControl(new L.CurrentPosControl());
+
 var popup = L.popup();
 
 L.AwesomeMarkers.Icon.prototype.options.prefix = 'fa';
@@ -687,6 +712,17 @@ function update_outline_visibility() {
 	});
 }
 
+function update_current_mouse_position(e) {
+	var lbl = document.getElementById('current_position_label');
+	if (e.type == "mouseout") {
+		lbl.parentElement.style.visibility = "hidden";
+		return;
+	}
+	lbl.parentElement.style.visibility = "visible";
+	pos = resolve_latlng(e.latlng);
+	lbl.innerHTML =  pos.lng + "," + pos.lat;
+}
+
 mymap.on('zoomend', function () {is_user_drag = 1; update_hash_from_position();});
 mymap.on('zoomend', update_aa_status);
 mymap.on('zoomend', update_street_width);
@@ -695,6 +731,8 @@ mymap.on('moveend', update_hash_from_position);
 mymap.on('dragstart', function () { is_user_drag = 1;});
 mymap.on('keydown', function (e) { if (e.originalEvent.code.match(/Arrow.*/)) is_user_drag = 1;});
 mymap.on('overlayadd', function (e) { update_street_width(); update_outline_visibility(); });
+mymap.on('mousemove', update_current_mouse_position);
+mymap.on('mouseout', update_current_mouse_position);
 
 function onHashChange(e, hash=null) {
 	if (!hash)
-- 
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