From 2af11c71db423390e684ecd7df7568ec00ef3d54 Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <ansis.brammanis@gmail.com>
Date: Thu, 7 Mar 2013 15:19:32 -0500
Subject: [PATCH] disable hideOnMouseover while dragging

---
 js/id/svg/labels.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/js/id/svg/labels.js b/js/id/svg/labels.js
index 6e8bd6149..1544dc152 100644
--- a/js/id/svg/labels.js
+++ b/js/id/svg/labels.js
@@ -243,7 +243,7 @@ iD.svg.Labels = function(projection) {
     var rtree = new RTree(),
         rectangles = {},
         lang = 'name:' + iD.detect().locale.toLowerCase().split('-')[0],
-        mousePosition, cacheDimensions;
+        supersurface, mousePosition, cacheDimensions;
 
     return function drawLabels(surface, graph, entities, filter, dimensions, fullRedraw) {
 
@@ -252,8 +252,16 @@ iD.svg.Labels = function(projection) {
             cacheDimensions = dimensions.join(',');
         }
 
-        d3.select(surface.node().parentNode)
-            .on('mousemove.hidelabels', hideOnMouseover);
+        if (!supersurface) {
+            supersurface = d3.select(surface.node().parentNode)
+                .on('mousemove.hidelabels', hideOnMouseover)
+                .on('mousedown.hidelabels', function() {
+                    supersurface.on('mousemove.hidelabels', null);
+                })
+                .on('mouseup.hidelabels', function() {
+                    supersurface.on('mousemove.hidelabels', hideOnMouseover);
+                });
+        }
 
         var hidePoints = !surface.select('.node.point').node();