Added documentation

Also added treeview guielemnt
Also added ifilesystem guielement
Also added io library

1 files changed, 22 insertions, 3 deletions

diff --git a/src/client/lua_api/gui/iguiimage.cpp b/src/client/lua_api/gui/iguiimage.cpp
index 5ad8ba3..1d0f4dc 100644
--- a/src/client/lua_api/gui/iguiimage.cpp
+++ b/src/client/lua_api/gui/iguiimage.cpp
@@ -17,16 +17,35 @@ extern "C" {
 #include "../../callbackhandeler.hpp"
 #include <shared/lua_api/common.hpp>
 
+/***
+@module gui
+*/
 using namespace irr;
 using namespace gui;
 
 extern IrrlichtDevice* device;
 extern IGUIEnvironment* env;
 
-//new({startx,starty},alpha,{itexture}) -> {guielement}
+/***
+@function newiguiimage()
+Creates a new guielement with an image.
+The size of the iguielement is the same as the itexture used for it's creation.
+@tparam vector2d position The upper-left hand corner of the element.
+it is offset from the upper-left of the parent element.
+@tparam number alpha The transparency of the element.
+@tparam itexture texture The texture to display on this element.
+@tparam ?iguielement parent The parent element of the button.
+@treturn iguifileopendialog The button element
+*/
+//newiguiimage({startx,starty},alpha,{itexture}[,parent]) -> {guielement}
 static int newiguiimage(lua_State* L){
 	//printf("Creating iguiimage\n");
-
+	IGUIElement *parent = NULL;
+	if(lua_gettop(L) > 3){
+		lua_getfield(L,-1,"guielement");
+		parent = (IGUIElement*)lua_touserdata(L,-1);
+		lua_pop(L,2);
+	}
 	lua_getfield(L,-1,"texture");//{startx,starty},alpha,{itexture},*itexture
 	video::ITexture* tex = (video::ITexture*)lua_touserdata(L,-1);
 	lua_pop(L,2);//{startx,starty},alpha,
@@ -38,7 +57,7 @@ static int newiguiimage(lua_State* L){
 	popvector2i(L,&sx,&sy);
 	
 	IGUIEnvironment* env = device->getGUIEnvironment();
-	IGUIImage* img = env->addImage(tex,core::position2d<s32>(sx,sy),usealpha,0,-1,L"");
+	IGUIImage* img = env->addImage(tex,core::position2d<s32>(sx,sy),usealpha,parent,-1,L"");
 	img->setImage(tex);
 	
 	lua_newtable(L);