Build with custom click handler

Author: linev

build/jsroot.js

@@ -108775,7 +108775,7 @@ let TGraphPainter$1 = class TGraphPainter extends ObjectPainter {
    }
 
    /** @summary Complete moving */
-   moveEnd(not_changed) {
+   moveEnd(not_changed, evnt) {
       const graph = this.getGraph(), last = graph?.fNpoints - 1;
       let exec = '';
 
@@ -108805,6 +108805,17 @@ let TGraphPainter$1 = class TGraphPainter extends ObjectPainter {
             else
                this.drawGraph();
          }
+      } else if (not_changed) {
+         const fp = this.getFramePainter(),
+               m = pointer(evnt, fp.getFrameSvg().node()),
+               fw = fp.getFrameWidth(), fh = fp.getFrameHeight(),
+               valid_x = (m[0] >= 0) && (m[0] <= fw),
+               valid_y = (m[1] >= 0) && (m[1] <= fh);
+         if (valid_x && valid_y) {
+            evnt.preventDefault();
+            evnt.stopPropagation();
+            fp.processFrameClick({ x: m[0], y: m[1] });
+         }
       } else {
          changeBin(this.#move_bin);
          this.#move_binindx = undefined;

changes.md

@@ -20,6 +20,7 @@
 1. Implements `TTree` branches filtering via context menu #364
 1. Let define alternative draw function #378
 1. Implement padsN draw option for `THStack` and `TMultiGraph`
+1. Support custom click handler for `TGraph` https://root-forum.cern.ch/t/64744
 1. Use `resvg-js` backend for PNG support in node.js #391, thanks to https://github.com/OmarMesqq
 1. Remove support for deprectaed `TH1K` class
 1. Introduce `settings.ServerTimeout` global timeout for THttpServer operations