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/*This file defines some things that all igui stuff can do*/
/***
@module gui
*/
extern "C" {
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
}
#include <shared/lua_api/common.hpp>
#include <irrlicht.h>
#include "../guiparts.hpp"
#include <client/callbackhandeler.hpp>
using namespace irr;
using namespace core;
using namespace gui;
/***
Move a window (by an offset)
@function guielement:move()
@tparam vec2 position The offset to move this element by
*/
//move({element},{x,y}) -> nil
int moveiguielement(lua_State* L){
//printf("Got call to move element\n");
long x,y;
popvector2i(L,&x,&y); //{element}
//printf("I want to move to %d %d\n",x,y);
lua_getfield(L,-1,"guielement");//{element},*element
IGUIElement *el = (IGUIElement*)lua_touserdata(L,-1);
//printf("Found element to move: %p\n",el);
lua_pop(L,2);//
el->move(position2d<s32>(x,y));
el->updateAbsolutePosition();
return 0;
}
/***
Find the rectangle that an element occupies
@function guielement:getabsrect()
@treturn rect The rectangle that this element occupies
*/
//getabsrect({element})-> {{sx,sy},{ex,ey}}
int getiguiclippingrect(lua_State* L){
printf("Getting iguiclipping elemnt\n");
lua_getfield(L,-1,"guielement");
IGUIElement *el = (IGUIElement*)lua_touserdata(L,-1);//{element},ud_element
lua_pop(L,2);
core::rect<s32> rect = el->getAbsoluteClippingRect();
pushrecti(
L,
rect.UpperLeftCorner.X,
rect.UpperLeftCorner.Y,
rect.LowerRightCorner.X,
rect.LowerRightCorner.Y
);
return 1;
}
/***
Sets the text of the element
This function may do different things to different gui elements.
For example, on a window, it sets the title.
On a button, it sets the button's text.
@function guielement:settext()
@tparam string text The text to set on the element
*/
//setText({guielement},"text") :: nil
int setiguitext(lua_State* L){
const char* text = lua_tostring(L, -1);
lua_pop(L,1);//{guielement}
lua_getfield(L,-1,"guielement");//{guielement},ud_iguielement
IGUIElement* el = (IGUIElement*)lua_touserdata(L,-1);//{guielement},ud_iguielement
lua_pop(L,2);
int textlen = strlen(text);
wchar_t* wtext = (wchar_t*)malloc(sizeof(wchar_t)*textlen);
mbstowcs(wtext,text,textlen);
el->setText(wtext);
free(wtext);
return 0;
}
/***
@function guielement:gettext()
@treturn string The caption text of the element. For input element like
editboxes, this returns the text that the edit box contains.
*/
//{guieditbox}:gettext() :: "caption_text"
int getiguitext(lua_State* L){
lua_getfield(L, -1, "guielement");//{guieditbox},ud_guielement
irr::gui::IGUIElement *el = (IGUIElement*)lua_touserdata(L,-1);
lua_pop(L,2);//
const wchar_t *t = el->getText();
size_t strlen = wcslen(t);
char output[strlen];
wcstombs(output,t,strlen);
lua_pushstring(L,output);//"str"
return 1;
}
/***
Removes a gui element, and any child elements
@function guielement:remove()
*/
//remove({self})
int removeiguielement(lua_State* L){
lua_getfield(L,-1,"guielement");
IGUIElement *ele = (IGUIElement*)lua_touserdata(L,-1);
ele->remove();
lua_pop(L,2);
return 0;
}
class guicallback{
private:
int luaitem;
const char* funcname;
lua_State* L;
public:
guicallback(lua_State* L, int lf, const char* fn){
this->luaitem = lf;
this->L = L;
this->funcname = fn;
}
bool operator () (SEvent e) {
lua_rawgeti(L,LUA_REGISTRYINDEX,this->luaitem);//{guielement}
lua_getfield(L,-1,this->funcname);//{guielement},func()
if(!lua_isnil(L,-1)){
lua_rawgeti(L,LUA_REGISTRYINDEX,this->luaitem);//{guielement},func(),{guielement}
lua_call(L,1,0);//{iguielement}
lua_pop(L,1);//{}
return true;
}else{
lua_pop(L,2);//{}
return false;
}
}
};
//{guielement}
//popelementcallback(lua_State* L, gui::EGUI_EVENT_TYPE, char*)
void setelementcallback(lua_State* L, gui::EGUI_EVENT_TYPE et, const char* funcname){
registerguielement(L,et,funcname);
}
//ud_iguielement
int guigetid(lua_State* L){
IGUIElement* el = (IGUIElement*)lua_touserdata(L,-1);
lua_pop(L,1);
int id = el->getID();
lua_pushnumber(L,id);
return 1;
}
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