launcher improvements

src/public/app/widgets/buttons/onclick_button.js

@@ -0,0 +1,22 @@
+import AbstractButtonWidget from "./abstract_button.js";
+
+export default class OnClickButtonWidget extends AbstractButtonWidget {
+    doRender() {
+        super.doRender();
+
+        if (this.settings.onClick) {
+            this.$widget.on("click", e => {
+                this.$widget.tooltip("hide");
+
+                this.settings.onClick(this, e);
+            });
+        } else {
+            console.warn(`Button widget '${this.componentId}' has no defined click handler`, this.settings);
+        }
+    }
+
+    onClick(handler) {
+        this.settings.onClick = handler;
+        return this;
+    }
+}