Change directory structure

luprex/cpp/core/gui.hpp

@@ -0,0 +1,57 @@
+#ifndef GUI_HPP
+#define GUI_HPP
+
+#include "wrap-string.hpp"
+#include "wrap-map.hpp"
+#include "wrap-vector.hpp"
+
+#include "luastack.hpp"
+#include "streambuffer.hpp"
+
+class GuiElt : public eng::nevernew {
+    friend class Gui;
+public:
+    enum Type {
+        TYPE_MENU_ITEM,
+    };
+private:
+    Type type_;
+    eng::string action_;
+    eng::string label_;
+
+    GuiElt() {}
+public:
+    ~GuiElt() {}
+    Type type() const { return type_; }
+    const eng::string &action() const { return action_; }
+    const eng::string &label() const { return label_; }
+};
+
+class Gui : public eng::nevernew {
+public:
+    using EltVec = eng::vector<GuiElt>;
+private:
+    int64_t place_;
+    EltVec elts_;
+public:
+    Gui() { place_ = 0; }
+    int64_t place() { return place_; }
+    const EltVec &elts() const { return elts_; }
+    void clear(int64_t p) { place_ = p; elts_.clear(); }
+    bool has_action(const eng::string &action) const;
+    void menu_item(const eng::string &action, const eng::string &label);
+    eng::string get_action(int64_t index);
+    eng::string menu_debug_string() const;
+
+    // Put a pointer to a gui into the lua registry.
+    //
+    // All lua commands that manipulate the GUI implicitly
+    // operate on this global gui pointer.
+    //
+    static void store_global_pointer(lua_State *L, Gui *g);
+    static Gui *fetch_global_pointer(lua_State *L);
+};
+
+
+#endif // GUI_HPP
+