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#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <memory>
#include <map>
#include <string>
#include <functional>
extern "C" {
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
}
#include <irrlicht.h>
#include "../guiparts.hpp"
#include "iguielement.hpp"
#include "../../callbackhandeler.hpp"
#include "../../util/hashmap.h"
using namespace irr;
using namespace gui;
IrrlichtDevice* device;
char lhashkey[20];
static LIGUIElement* checkiguibutton(lua_State* L, int index){
void* ud = luaL_checkudata(L,index,"gui.iguibutton");
luaL_argcheck(L,ud != NULL, index, "'gui.iguibutton' expected");
return (LIGUIElement*) ud;
}
static LIGUIElement* checkiguibutton(lua_State* L){
return checkiguibutton(L,1);
}
//The callback even for all gui buttons
static void iguibuttonevent(irr::SEvent e){
IGUIElement* caller = (IGUIElement*)e.GUIEvent.Caller;
printf("Some gui something somewhere was pressed\n");
if(iguielements.find(caller) != iguielements.end()){
printf("I know what reference is linked to that button: %d!\n",iguielements[caller]);
int ref = iguielements[caller];
EGUI_EVENT_TYPE etype = e.GUIEvent.EventType;
if(etype == EGET_BUTTON_CLICKED){
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 = checkiguibutton(tL,-1);
int hashmapresponse;
char* hashkey = (char*)"onpress";
int terror = hashmap_get(tbut->funcmap,hashkey,(void**)&hashmapresponse);
if(terror == MAP_OK){
lua_rawgeti(tL,LUA_REGISTRYINDEX,hashmapresponse);
lua_call(tL,0,0);
}else{
printf("Tried to call onpress on something that dosen't have onpress\n");
}
}else if(etype == EGET_ELEMENT_HOVERED){
printf("Trying to call onhovered!\n");
lua_rawgeti(tL,LUA_REGISTRYINDEX,ref);
LIGUIElement* tbut = (LIGUIElement*)lua_touserdata(tL,-1);
int hashmapresponse;
int terror = hashmap_get(tbut->funcmap,(char*)"onhovered",(void**)&hashmapresponse);
if(terror == MAP_OK){
lua_rawgeti(tL,LUA_REGISTRYINDEX,hashmapresponse);
lua_call(tL,0,0);
}
}
}
}
static int newiguibutton(lua_State* L){
printf("Createing gui button!\n");
//The position of the button
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 and tooltip
wchar_t* button_label;
wchar_t* button_tooltip;
const char* labelopt = luaL_optstring(L,5,"Button");
const char* tooltipopt = luaL_optstring(L,6,"Tooltip");
int bls = strlen(labelopt);
int bts = strlen(tooltipopt);
button_label = (wchar_t*)malloc(sizeof(wchar_t)*(bls));
button_tooltip = (wchar_t*)malloc(sizeof(wchar_t)*(bts));
mbstowcs(button_label,labelopt,bls+1);
mbstowcs(button_tooltip,tooltipopt,bts+1);
printf("Got the string options\n");
//If the element has a parrent
int parent = luaL_optint(L,7,0);
//Create the button
IGUIEnvironment* env = device->getGUIEnvironment();
IGUIButton* nbut = (IGUIButton*) env->addButton(core::rect<s32>(startx,starty,endx,endy), guielements[parent], gui_elenum++, button_label, button_tooltip);
//Register it's callback
registerguicallback(nbut,EGET_BUTTON_CLICKED,iguibuttonevent);
printf("Finished registering callback\n");
//Create the lua representation of the button
LIGUIElement* lbut = (LIGUIElement*)lua_newuserdata(L, sizeof(LIGUIElement));
//Make it callbackable
int tref = luaL_ref(L,LUA_REGISTRYINDEX);
iguielements[nbut] = 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.iguibutton");
lua_setmetatable(L, -2);
//Create the struct
lbut->e = nbut;
lbut->funcmap = hashmap_new();
lbut->type = "iguibutton";
//Free up anything made in the function
free(button_label);
free(button_tooltip);
//Put it on top and return it
lua_rawgeti(L,LUA_REGISTRYINDEX,tref);
return 1;
}
static const luaL_reg iguibutton_f[] = {
{"new", newiguibutton},
{"gethandeler", guigethandeler},
{"sethandeler", guisethandeler},
{0,0},
};
static const luaL_reg iguibutton_m[] = {
{"move", moveiguielement},
{"settext", setiguitext},
{"remove", removeiguielement},
{0,0},
};
int iguibutton_register(lua_State* L, IrrlichtDevice* d){
device = d;
tL = L;
luaL_newmetatable(L, "gui.iguibutton");
luaL_register(L,"iguibutton",iguibutton_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, iguibutton_m);
return 1;
}
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