Fix mergeview gutter click buttons

Click should only register as final after mouse up with primary button.
jupyter · Nov 1, 2023 · 9884381 · 9884381
1 parent 08636b8
commit 9884381
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/packages/nbdime/src/common/mergeview.ts b/packages/nbdime/src/common/mergeview.ts
@@ -1443,9 +1443,12 @@ export class MergeView extends Panel {
         },
         initialSpacer: () => pickerMarker,
         domEventHandlers: {
-          mousedown: (editor, line) => {
-            this.onGutterClick(editor, line);
-            return true;
+          mouseup: (editor, line, event) => {
+            if ((event as MouseEvent).button === 0) {
+              this.onGutterClick(editor, line);
+              return true;
+            }
+            return false;
           },
         },
       }),