Added gui window

Bound irrlicht's IGUIWindow to lua

1 files changed, 167 insertions, 0 deletions

diff --git a/src/client/lua_api/gui/iguiwindow.cpp b/src/client/lua_api/gui/iguiwindow.cpp
new file mode 100644
index 0000000..34b6cfa
--- /dev/null
+++ b/src/client/lua_api/gui/iguiwindow.cpp
@@ -0,0 +1,167 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <vector>
+#include <memory>
+#include <map>
+#include <functional>
+extern "C" {
+  #include <lua.h>
+  #include <lauxlib.h>
+  #include <lualib.h>
+}
+#include <irrlicht.h>
+#include "../guiparts.hpp"
+#include "iguielement.hpp"
+#include "iguiwindow.hpp"
+#include "iguiutil.hpp"
+#include "../../callbackhandeler.hpp"
+
+using namespace irr;
+using namespace gui;
+
+//IrrlichtDevice* guidevice;
+
+static LIGUIElement* checkiguiwindow(lua_State* L, int index){
+  void* ud = luaL_checkudata(L,index,"gui.iguiwindow");
+  luaL_argcheck(L,ud != NULL, index, "'gui.iguiwindow' expected");
+  return (LIGUIElement*) ud;
+}
+
+static LIGUIElement* checkiguiwindow(lua_State* L){
+  return checkiguiwindow(L,1);
+}
+
+static bool iguiwindowevent(irr::SEvent e){
+    IGUIElement* caller = (IGUIElement*)e.GUIEvent.Caller;
+    int ref = iguielements[caller];
+    EGUI_EVENT_TYPE etype = e.GUIEvent.EventType;
+    printf("Detected window event\n");
+    if(etype == EGET_ELEMENT_CLOSED){
+        lua_rawgeti(tL,LUA_REGISTRYINDEX,ref);
+        printf("getting raw, the thing on the top of stack is a %s\n",luaL_typename(tL,-1));
+        LIGUIElement* tbut = checkiguiwindow(tL,-1);
+        int hashmapresponse;
+        char* hashkey = (char*)"onclose";
+        int terror = hashmap_get(tbut->funcmap,hashkey,(void**)&hashmapresponse);
+        if(terror == MAP_OK){ //Only call if we actually have that function.
+            printf("Looks like we have an onclose function, calling!\n");
+            lua_rawgeti(tL,LUA_REGISTRYINDEX,hashmapresponse); //push the function
+            lua_rawgeti(tL,LUA_REGISTRYINDEX,ref); //push the referance to iguielement
+            lua_call(tL,1,1);
+            //int b = lua_isnoneornil(tL,1);
+            int a = lua_toboolean(tL,-1);
+            printf("a:%d\n",a);
+            return a;
+        }
+    }
+	printf("Oh no! an iguiwindow generated an event!");
+    return false;
+}
+
+static int newiguiwindow(lua_State* L){
+  printf("Createing label!\n");
+  int nargs = lua_gettop(L);
+  //The position of the text
+
+	//Frame position
+	int x,y;
+	lua_popvector2i(L,1,&x,&y);
+	
+	printf("got xy\n");
+	
+	//Frame size
+	int w,h;
+	lua_popvector2i(L,2,&w,&h);
+	
+	printf("I want to make a frame at (%d,%d) size (%d,%d)\n",x,y,w,h);
+  
+  // int startx = luaL_optint(L,1,0);
+  // int starty = luaL_optint(L,2,0);
+  // int endx = luaL_optint(L,3,startx+100);
+  // int endy = luaL_optint(L,4,starty+100);
+
+  //Label
+	wchar_t* label;
+	const char* labelopt = luaL_optstring(L,3,"Label");
+	int bls = strlen(labelopt);
+	label = (wchar_t*)calloc(sizeof(wchar_t),(bls));
+	mbstowcs(label,labelopt,bls);
+	printf("Got the string option\n");
+  // 
+  //If the element has a parrent
+  int parent = luaL_optint(L,4,0);
+  // 
+  // 
+  // //Create the button
+	IGUIEnvironment* env = guidevice->getGUIEnvironment();
+	IGUIWindow* wi = env->addWindow(
+		core::rect<s32>(x,y,x+w,y+h),
+		false,
+		label,
+		guielements[parent],
+		-1
+	);
+  // /Create the label
+  // IGUIStaticText* llabel = (IGUIStaticText*) env->addStaticText(label,core::rect<s32>(startx,starty,endx,endy),false,false, guielements[parent], gui_elenum++, false);
+  // printf("Created the button\n");
+  // 
+  // /Register it's callback
+	registerguicallback(wi,EGET_ELEMENT_CLOSED,iguiwindowevent);
+  // 
+  //Create it's lua representation
+  LIGUIElement* lwindow = (LIGUIElement*)lua_newuserdata(L, sizeof(LIGUIElement));
+  int tref = luaL_ref(L,LUA_REGISTRYINDEX);
+  iguielements[wi] = tref;
+  lua_rawgeti(L,LUA_REGISTRYINDEX,tref);//Put it back on the stack since luaL_ref pops the object.
+  // 
+  //Set it's metatable
+  luaL_getmetatable(L, "gui.iguiwindow");
+  lua_setmetatable(L, -2);
+  // 
+  //Create the struct
+  lwindow->e = wi;
+  lwindow->funcmap = hashmap_new();
+  lwindow->type = "iguiwindow";
+  // 
+  // /Free up anything made in this function
+  free(label);
+  // 
+  // /Put it on top and return it
+  lua_rawgeti(L,LUA_REGISTRYINDEX,tref);
+  return 1;
+}
+
+static const luaL_reg iguiwindow_f[] = {
+  {"new",           newiguiwindow},
+  {"gethandeler",   guigethandeler},
+  {"sethandeler",   guisethandeler},
+  {0,0},
+};
+
+static const luaL_reg iguiwindow_m[] = {
+  {"move",          moveiguielement},
+  {"settext",       setiguitext},
+  {"remove",        removeiguielement},
+  {0, 0},
+};
+
+int iguiwindow_register(lua_State* L, IrrlichtDevice* d){
+
+  luaL_newmetatable(L, "gui.iguiwindow");
+
+  luaL_register(L,"iguiwindow",iguiwindow_f);
+
+  lua_pushstring(L,"__index");
+  lua_pushstring(L,"gethandeler");
+  lua_gettable(L,-3);
+  lua_settable(L,-4);
+
+  lua_pushstring(L,"__newindex");
+  lua_pushstring(L,"sethandeler");
+  lua_gettable(L,-3);
+  lua_settable(L,-4);
+
+  luaL_register(L, NULL, iguiwindow_m);
+
+  return 1;
+}