Correctly provide user tooltips in lego draw

Author: linev

scripts/JSRootCore.js

@@ -95,7 +95,7 @@
 
    "use strict";
 
-   JSROOT.version = "dev 6/10/2020";
+   JSROOT.version = "dev 9/10/2020";
 
    JSROOT.source_dir = "";
    JSROOT.source_min = false;

scripts/JSRootPainter.hist3d.js

@@ -334,7 +334,10 @@
    JSROOT.TFramePainter.prototype.BinHighlight3D = function(tip, selfmesh) {
 
       var changed = false, tooltip_mesh = null, changed_self = true,
-          want_remove = !tip || (tip.x1===undefined) || !this.enable_highlight;
+          want_remove = !tip || (tip.x1===undefined) || !this.enable_highlight,
+          mainp = this.main_painter();
+
+      if (mainp && !mainp.IsUserTooltipCallback()) mainp = null;
 
       if (this.tooltip_selfmesh) {
          changed_self = (this.tooltip_selfmesh !== selfmesh)
@@ -352,7 +355,7 @@
 
       if (want_remove) {
          if (changed) this.Render3D();
-         this.ProvideUserTooltip(null);
+         if (mainp && changed) mainp.ProvideUserTooltip(null);
          return;
       }
 
@@ -412,8 +415,8 @@
       if (changed && tip.$painter && (typeof tip.$painter.RedrawProjection == 'function'))
          tip.$painter.RedrawProjection(tip.ix-1, tip.ix, tip.iy-1, tip.iy);
 
-      if (this.GetObject())
-         this.ProvideUserTooltip({ obj: this.GetObject(),  name: this.GetObject().fName,
+      if (changed && mainp && mainp.GetObject())
+         mainp.ProvideUserTooltip({ obj: mainp.GetObject(),  name: mainp.GetObject().fName,
                                    bin: tip.bin, cont: tip.value,
                                    binx: tip.ix, biny: tip.iy, binz: tip.iz,
                                    grx: (tip.x1+tip.x2)/2, gry: (tip.y1+tip.y2)/2, grz: (tip.z1+tip.z2)/2 });

scripts/JSRootPainter.v7hist3d.js

@@ -314,7 +314,10 @@
    JSROOT.v7.RFramePainter.prototype.BinHighlight3D = function(tip, selfmesh) {
 
       var changed = false, tooltip_mesh = null, changed_self = true,
-          want_remove = !tip || (tip.x1===undefined) || !this.enable_highlight;
+          want_remove = !tip || (tip.x1===undefined) || !this.enable_highlight,
+          mainp = this.main_painter();
+
+      if (mainp && !mainp.IsUserTooltipCallback()) mainp = null;
 
       if (this.tooltip_selfmesh) {
          changed_self = (this.tooltip_selfmesh !== selfmesh)
@@ -332,7 +335,7 @@
 
       if (want_remove) {
          if (changed) this.Render3D();
-         this.ProvideUserTooltip(null);
+         if (changed && mainp) mainp.ProvideUserTooltip(null);
          return;
       }
 
@@ -392,11 +395,11 @@
       if (changed && tip.$painter && (typeof tip.$painter.RedrawProjection == 'function'))
          tip.$painter.RedrawProjection(tip.ix-1, tip.ix, tip.iy-1, tip.iy);
 
-      if (this.GetObject())
-         this.ProvideUserTooltip({ obj: this.GetObject(),  name: this.GetObject().fName,
-                                   bin: tip.bin, cont: tip.value,
-                                   binx: tip.ix, biny: tip.iy, binz: tip.iz,
-                                   grx: (tip.x1+tip.x2)/2, gry: (tip.y1+tip.y2)/2, grz: (tip.z1+tip.z2)/2 });
+      if (changed && mainp && mainp.GetObject())
+         mainp.ProvideUserTooltip({ obj: mainp.GetObject(),  name: mainp.GetObject().fName,
+                                    bin: tip.bin, cont: tip.value,
+                                    binx: tip.ix, biny: tip.iy, binz: tip.iz,
+                                    grx: (tip.x1+tip.x2)/2, gry: (tip.y1+tip.y2)/2, grz: (tip.z1+tip.z2)/2 });
    }
 
    JSROOT.v7.RFramePainter.prototype.TestAxisVisibility = function(camera, toplevel, fb, bb) {