Kiritow
bc189b4951
分离各SDL类的包装代码. 事件分发处理全部转移至Lua Init层. C层只提供获取事件的方法. 这样有助于提高性能，以及今后Coroutine scheduler的添加.
79 lines
1.6 KiB
C++
79 lines
1.6 KiB
C++
#include "Window.h"
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#include <iostream>
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using namespace std;
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#define setfn(cfunc, name) lua_pushcfunction(L, cfunc);lua_setfield(L, -2, name)
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inline int Window::close(lua_State* L)
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{
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cout << "In Window::close" << endl;
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auto p = (Window*)luaL_checkudata(L, 1, "window");
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p->~Window();
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return 0;
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}
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inline int Window::showWindow(lua_State* L)
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{
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auto p = (Window*)luaL_checkudata(L, 1, "window");
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SDL_ShowWindow(p->wnd.get());
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return 0;
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}
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inline int Window::hideWindow(lua_State* L)
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{
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auto p = (Window*)luaL_checkudata(L, 1, "window");
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SDL_HideWindow(p->wnd.get());
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return 0;
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}
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int Window::getWindowID(lua_State* L)
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{
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auto p = (Window*)luaL_checkudata(L, 1, "window");
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lua_pushinteger(L, SDL_GetWindowID(p->wnd.get()));
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return 1;
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}
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int Window::create(lua_State* L)
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{
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auto title = luaL_checkstring(L, 1);
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int w = luaL_checkinteger(L, 2);
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int h = luaL_checkinteger(L, 3);
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cout << "In Window::create" << endl;
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auto p = new (lua_newuserdata(L, sizeof(Window))) Window(w, h, title);
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// Data table (for storing lua values)
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lua_newtable(L);
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lua_setuservalue(L, -2);
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// Metatable
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if (luaL_newmetatable(L, "window"))
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{
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// Type
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lua_pushstring(L, "window");
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lua_setfield(L, -2, "type");
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// GC
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lua_pushcfunction(L, close);
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lua_setfield(L, -2, "__gc");
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// Fields
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lua_newtable(L);
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setfn(close, "close");
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setfn(showWindow, "show");
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setfn(hideWindow, "hide");
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setfn(getWindowID, "getid");
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lua_setfield(L, -2, "__index");
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}
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lua_setmetatable(L, -2);
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return 1;
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}
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Window::Window(int w, int h, const char* title) : wnd(SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, w, h, SDL_WINDOW_HIDDEN), SDL_DestroyWindow)
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{
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}
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