48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#include "gui.hpp"
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#include "luastack.hpp"
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void Gui::store_global_pointer(lua_State *L, Gui *g) {
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lua_pushstring(L, "gui");
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lua_pushlightuserdata(L, g);
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lua_rawset(L, LUA_REGISTRYINDEX);
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}
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Gui *Gui::fetch_global_pointer(lua_State *L) {
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lua_pushstring(L, "gui");
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lua_rawget(L, LUA_REGISTRYINDEX);
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Gui *result = (Gui *)lua_touserdata(L, -1);
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if (result == nullptr) {
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luaL_error(L, "Not currently building a GUI");
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}
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lua_pop(L, 1);
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return result;
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}
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void Gui::menu_item(const std::string &action, const std::string &label) {
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GuiElt elt;
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elt.type_ = GuiElt::TYPE_MENU_ITEM;
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elt.action_ = action;
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elt.label_ = label;
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elts_.push_back(elt);
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}
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bool Gui::has_action(const std::string &action) const {
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for (const GuiElt &elt : elts_) {
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if (elt.action_ == action) {
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return true;
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}
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}
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return false;
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}
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LuaDefine(gui_menu_item, "c") {
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Gui *gui = Gui::fetch_global_pointer(L);
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LuaArg laction, llabel;
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LuaStack LS(L, laction, llabel);
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std::string action = LS.ckstring(laction);
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std::string label = LS.ckstring(llabel);
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gui->menu_item(action, label);
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return LS.result();
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}
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