add save dialog to specify file name

engine/node_dialog_open.h

@@ -3,6 +3,7 @@
 #include "node_button.h"
 #include "node_image_texture.h"
 #include "node_text.h"
+#include "node_text_input.h"
 
 class NodeDialogOpenItem : public NodeBorder
 {
@@ -38,3 +39,17 @@ public:
     void init_controls();
     virtual void loaded() override;
 };
+
+class NodeDialogSave : public NodeBorder
+{
+public:
+    NodeButton* btn_cancel;
+    NodeButton* btn_ok;
+    NodeTextInput* input;
+    std::string selected_path;
+    virtual Node* clone_instantiate() const override;
+    virtual void clone_finalize(Node* dest) const override;
+    virtual void init() override;
+    void init_controls();
+    virtual void loaded() override;
+};