add text input popup

src/node_input_box.h

@@ -0,0 +1,19 @@
+#pragma once
+#include "node.h"
+#include "node_button.h"
+#include "node_text_input.h"
+
+class NodeInputBox : public Node
+{
+public:
+    std::function<void(Node*, std::string text)> on_submit = nullptr;
+    NodeButton* btn_ok;
+    NodeButton* btn_cancel;
+    NodeText* m_field_name;
+    NodeTextInput* m_field_text;
+    NodeText* m_title;
+    virtual Node* clone_instantiate() const override;
+    virtual void init() override;
+    virtual kEventResult handle_event(Event* e) override;
+    virtual void added(Node* parent) override;
+};