Fix - interactive zooming in TH2 when doing histogram update

Author: linev

changes.md

@@ -8,6 +8,7 @@
 5. Fix - for TH2 box draw option draw at least 1px rect for non-empty bin
 6. Fix - support transparancy (alpha) in TColor (#45)
 7. Fix - correct tooltip handling for graphs with lines and markers
+8. Fix - interactive zooming in TH2 when doing histogram update  
 
 
 ## Changes in 4.4.2

scripts/JSRootPainter.more.js

@@ -3969,8 +3969,6 @@
 
       this.DrawTitle();
 
-      this.AddInteractive();
-
       JSROOT.CallBack(call_back);
    }
 
@@ -4037,6 +4035,7 @@
       this[func_name](function() {
          this.DrawNextFunction(0, function() {
             if (this.options.Lego == 0) {
+               this.AddInteractive();
                if (this.options.AutoZoom) this.AutoZoom();
             }
             this.CreateToolbar();