-

rktwebview_qt/webviewwindow.cpp

@@ -129,6 +129,31 @@ void WebviewWindow::runJs(const QString &js)
     p->runJavaScript(js);
 }
 
+void WebviewWindow::callJs(const QString &js, Command *c)
+{
+    QWebEnginePage *p = _view->page();
+    QString _js = QString("{\n") +
+                          "  let f = function() {\n" +
+                          "    " + js + "\n" +
+                          "  };\n" +
+                          "  try {\n" +
+                          "     let obj = { oke: true, result: f(), exn: false };\n" +
+                          "     obj;\n" +
+                          "  } catch(e) {\n" +
+                          "     let obj = { oke: false, result: false, exn: e.message };\n" +
+                          "     obj;\n" +
+                          "  }\n" +
+                          "}";
+    p->runJavaScript(_js, [c](const QVariant &v) {
+                                c->result = v;
+                                QJsonObject obj = v.toJsonObject();
+                                bool ok = obj["oke"].toBool();
+                                c->js_result_ok = ok;
+                                c->result = QString::fromUtf8(QJsonDocument(obj).toJson(QJsonDocument::JsonFormat::Compact));
+                                c->done = true;
+    });
+}
+
 void WebviewWindow::openDevTools()
 {
     _devtools = new QMainWindow(this);