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khanat-code-old/code/nel/src/gui/lua_ihm.cpp
kaetemi b82af560ff SSE2: Create branch
2014-06-12 19:27:09 +02:00

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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h"
#include "nel/gui/lua_helper.h"
#include "nel/gui/interface_group.h"
#include <algorithm>
// to get rid of you_must_not_use_assert___use_nl_assert___read_debug_h_file messages
#include <cassert>
#ifdef assert
#undef assert
#endif
#ifdef NL_OS_WINDOWS
#include <Windows.h>
#endif
// Warning: cannot use namespace std, when using luabind
#ifdef NL_OS_WINDOWS
# ifndef NL_EXTENDED_FOR_SCOPE
# undef for
# endif
#endif
#ifdef NL_DEBUG
# define assert(x) nlassert(x)
#else
# define assert(x)
#endif
#include <luabind/luabind.hpp>
// in luabind > 0.6, LUABIND_MAX_ARITY is set to 10
#if LUABIND_MAX_ARITY == 10
# include <luabind/operator.hpp>
// only luabind > 0.7 have version.hpp (file checked with build system)
# ifdef HAVE_LUABIND_VERSION
# include <luabind/version.hpp>
# endif
# ifndef LUABIND_VERSION
// luabind 0.7 doesn't define LUABIND_VERSION
# define LUABIND_VERSION 700
# endif
// luabind 0.6 doesn't define LUABIND_VERSION but LUABIND_MAX_ARITY is set to 5
#elif LUABIND_MAX_ARITY == 5
# define LUABIND_VERSION 600
#else
# pragma error("luabind version not recognized")
#endif
#include "nel/gui/lua_ihm.h"
#include "nel/gui/reflect.h"
#include "nel/misc/algo.h"
#include "nel/misc/file.h"
#include "nel/misc/i18n.h"
#include "nel/misc/time_nl.h"
#include "nel/misc/path.h"
#include "nel/misc/sstring.h"
#include "nel/misc/command.h"
#include "nel/gui/lua_object.h"
#include "nel/misc/polygon.h"
#include "nel/gui/lua_manager.h"
#include "nel/gui/widget_manager.h"
#include "nel/gui/action_handler.h"
#include "nel/gui/view_renderer.h"
#include "nel/gui/interface_expr.h"
#include "nel/misc/debug.h"
// ***************************************************************************
/*
IMPORTANT NOTE: we do this heavy double registration in this file because we DON'T want
to include luabind.hpp in every file.
Compilation is VERY SLOW
*/
// ***************************************************************************
using namespace NLMISC;
// declare ostream << operator for ucstring -> registration of ucstring iin luabind will build a 'tostring' function from it
std::ostream &operator<<(std::ostream &str, const ucstring &value)
{
return str << value.toString();
}
namespace NLGUI
{
struct CMiscFunctions
{
static std::string fileLookup(const std::string &fileName)
{
return NLMISC::CPath::lookup(fileName, false);
}
static void shellExecute(const char *operation, const char *fileName, const char *parameters)
{
#if !FINAL_VERSION
#ifdef NL_OS_WINDOWS
ShellExecute(NULL, operation, fileName, parameters, NULL, SW_SHOWDEFAULT);
#endif
#endif
}
};
// ***************************************************************************
bool CLuaIHM::pop(CLuaState &ls, NLMISC::CRGBA &dest)
{
//H_AUTO(Lua_CLuaIHM_pop)
try
{
if (ls.isNil(-1)) return false;
#if LUABIND_VERSION > 600
luabind::object obj(luabind::from_stack(ls.getStatePointer(), -1));
ls.pop();
#else
luabind::object obj(ls.getStatePointer());
obj.set();
#endif
dest = luabind::object_cast<NLMISC::CRGBA>(obj);
}
catch(const luabind::cast_failed &)
{
return false;
}
return true;
}
// ***************************************************************************
bool CLuaIHM::pop(CLuaState &ls,NLMISC::CVector2f &dest)
{
//H_AUTO(Lua_CLuaIHM_pop)
try
{
if (ls.isNil(-1)) return false;
#if LUABIND_VERSION > 600
luabind::object obj(luabind::from_stack(ls.getStatePointer(), -1));
ls.pop();
#else
luabind::object obj(ls.getStatePointer());
obj.set();
#endif
dest = luabind::object_cast<NLMISC::CVector2f>(obj);
}
catch(const luabind::cast_failed &)
{
return false;
}
return true;
}
// ***************************************************************************
bool CLuaIHM::pop(CLuaState &ls, ucstring &dest)
{
//H_AUTO(Lua_CLuaIHM_pop)
try
{
if (ls.isNil(-1)) return false;
#if LUABIND_VERSION > 600
luabind::object obj(luabind::from_stack(ls.getStatePointer(), -1));
ls.pop();
#else
luabind::object obj(ls.getStatePointer());
obj.set();
#endif
dest = luabind::object_cast<ucstring>(obj);
}
catch(const luabind::cast_failed &)
{
return false;
}
return true;
}
// ***************************************************************************
bool CLuaIHM::isUCStringOnStack(CLuaState &ls, sint index)
{
//H_AUTO(Lua_CLuaIHM_isUCStringOnStack)
ls.pushValue(index);
ucstring dummy;
return pop(ls, dummy);
}
// ***************************************************************************
bool CLuaIHM::getUCStringOnStack(CLuaState &ls, sint index, ucstring &dest)
{
//H_AUTO(Lua_CLuaIHM_getUCStringOnStack)
ls.pushValue(index);
return pop(ls, dest);
}
// ***************************************************************************
void CLuaIHM::push(CLuaState &ls, const ucstring &value)
{
//H_AUTO(Lua_CLuaIHM_push)
#if LUABIND_VERSION > 600
luabind::detail::push(ls.getStatePointer(), value);
#else
luabind::object obj(ls.getStatePointer(), value);
obj.pushvalue();
#endif
}
// ***************************************************************************
// ***************************************************************************
// CInterface To LUA Registry
// ***************************************************************************
// ***************************************************************************
CLuaState * ELuaIHMException::getLuaState()
{
return CLuaManager::getInstance().getLuaState();
}
}
// ***************************************************************************
#define LUA_REGISTER_BASIC(_type_) \
luabind::detail::yes_t is_user_defined(luabind::detail::by_value<_type_>); \
_type_ convert_lua_to_cpp(lua_State* L, luabind::detail::by_value<_type_>, int index) \
{ \
return (_type_)lua_tonumber(L, index); \
} \
int match_lua_to_cpp(lua_State* L, luabind::detail::by_value<_type_>, int index) \
{ \
if (lua_isnumber(L, index)) return 0; else return -1; \
} \
void convert_cpp_to_lua(lua_State* L, const _type_& v) \
{ \
lua_pushnumber(L, (double)v); \
}
// Basic LUA types
namespace luabind
{
namespace converters
{
LUA_REGISTER_BASIC(sint8)
LUA_REGISTER_BASIC(uint8)
LUA_REGISTER_BASIC(sint16)
LUA_REGISTER_BASIC(uint16)
LUA_REGISTER_BASIC(sint32)
LUA_REGISTER_BASIC(uint32)
// LUA_REGISTER_BASIC(sint)
// LUA_REGISTER_BASIC(uint)
}
}
namespace NLGUI
{
static CLuaString lstr_Env("Env");
static CLuaString lstr_isNil("isNil");
// ***************************************************************************
int CLuaIHM::luaUIIndex(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_luaUIIndex)
nlassert(ls.getTop()==2);
// get the userdata and key
CReflectableLuaRef *pRefElm = (CReflectableLuaRef *) ls.toUserData(1);
const char *propName = ls.toString(2);
CReflectableRefPtrTarget *pRPT= (CReflectableRefPtrTarget*)(pRefElm->Ptr);
// ** try to get the Env Table (interface group only)
if(propName==lstr_isNil)
{
ls.push(pRPT==NULL);
return 1;
}
// Check the object is not NULL or freed
if(pRPT==NULL)
{
return 0;
}
// ** try to get the Env Table (interface group only)
if(propName==lstr_Env)
{
// Env can be bound to a CInterfaceGroup only
CInterfaceGroup *group= dynamic_cast<CInterfaceGroup*>(pRPT);
if(group==NULL)
{
ls.pushNil();
return 1;
}
else
{
group->pushLUAEnvTable();
return 1;
}
}
// ** try to get the property
const CReflectedProperty *prop = pRefElm->getProp(propName);
if (prop)
{
CLuaIHM::luaValueFromReflectedProperty(ls, *pRPT, *prop);
return 1;
}
// ** try to get a UI relative
CInterfaceElement *uiRelative= getUIRelative(dynamic_cast<CInterfaceElement *>(pRPT), propName);
if(uiRelative)
{
// push the UI onto the stack
pushUIOnStack(ls, uiRelative);
return 1;
}
// Fail to find any Attributes or elements
// Yoyo: don't write any message or warning because this may be a feature (if user want to test that something exit in the ui)
ls.pushNil();
return 1;
}
// ***************************************************************************
int CLuaIHM::luaUINewIndex(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_luaUINewIndex)
nlassert(ls.getTop()==3);
// get the userdata and key
CReflectableLuaRef *pRefElm = (CReflectableLuaRef *) ls.toUserData(1);
nlassert(pRefElm);
CReflectableRefPtrTarget *pRPT= (CReflectableRefPtrTarget*)(pRefElm->Ptr);
// Check the UI is not NULL or freed
if(pRPT == NULL)
{
return 0;
}
const char *propName = ls.toString(2);
// ** try to set the Env Table (interface group only)
if(propName == lstr_Env)
{
CInterfaceElement *pIE = dynamic_cast<CInterfaceElement *>(pRPT);
std::string name ;
if (pIE)
{
name = pIE->getId();
}
else
{
name = "<reflectable element>";
}
// Exception!!! not allowed
throw ELuaIHMException("You cannot change the Env Table of '%s'", name.c_str());
}
// ** try to set the property
const CReflectedProperty *prop = pRefElm->getProp(propName);
if (prop)
{
CLuaIHM::luaValueToReflectedProperty(ls, 3, *pRPT, *prop);
return 0;
}
CInterfaceElement *pIE = dynamic_cast<CInterfaceElement *>(pRPT);
// ** try to get another UI (child or parent)
CInterfaceElement *uiRelative= getUIRelative(pIE, propName);
if(uiRelative)
{
// Exception!!! not allowed
throw ELuaIHMException("You cannot write into the UI '%s' of '%s'", propName, pIE->getId().c_str());
}
// ** Prop Not Found
throw ELuaIHMException("Property '%s' not found in '%s' of type %s", propName, pIE ? pIE->getId().c_str() : "<reflectable element>", typeid(*pRPT).name());
// Fail to find any Attributes or elements
return 0;
}
// ***************************************************************************
int CLuaIHM::luaUIEq(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_luaUIEq)
nlassert(ls.getTop() == 2);
// read lhs & rhs
// get the userdata and key
CReflectableLuaRef *lhs = (CReflectableLuaRef *) ls.toUserData(1);
CReflectableLuaRef *rhs = (CReflectableLuaRef *) ls.toUserData(2);
nlassert(lhs);
nlassert(rhs);
ls.push(lhs->Ptr == rhs->Ptr);
return 1;
}
// ***************************************************************************
int CLuaIHM::luaUIDtor(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_luaUIDtor)
nlassert(ls.getTop()==1);
// get the userdata
CReflectableLuaRef *pRefElm = (CReflectableLuaRef *) ls.toUserData(1);
nlassert(pRefElm);
// call dtor
pRefElm->~CReflectableLuaRef();
return 0;
}
// ***************************************************************************
int CLuaIHM::luaUINext(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_luaUINext)
// Code below allow enumeration of properties of a reflectable object
// From lua standpoint, the object is seen as a table with (key, value) pairs
// If object is a CInterfaceGroup, iteration is also done on sons (groups, controls & view).
if (ls.getTop() != 2)
{
CLuaIHM::fails(ls, "__next metamethod require 2 arguments (table & key)");
}
CLuaIHM::check(ls, CLuaIHM::isReflectableOnStack(ls, 1), "__next : require ui element as first arg");
CReflectableRefPtrTarget *reflectedObject = CLuaIHM::getReflectableOnStack(ls, 1);
// To traverse all properties / field of the object, we must be able to determine the next key from a previous key
// (keys are ordered)
// We use the 'TValueType' enum to know which kind of property we are traversing, and an index in this group of properties
// The key which uniquely identify an element / property in the reflectable object
struct CKey
{
enum TValueType
{
VTGroup = 0, // children groups (If the object is a CInterfaceGroup)
VTView, // children views (If the object is a CInterfaceView)
VTCtrl, // children controls (If the object is a CInterfaceCtrl)
VTProp // List of exported proeprties (For all relfectable objects)
};
TValueType ValueType;
sint Index;
const CClassInfo *ClassInfo; // if ValueType is "VTProp" -> give the class for which property are currently enumerated
//
static int tostring(CLuaState &ls) // '__print' metamathod
{
CLuaIHM::checkArgCount(ls, "reflected object metatable:__print", 1);
CKey key;
key.pop(ls);
switch(key.ValueType)
{
case VTGroup: ls.push(toString("_Group %d", key.Index)); break;
case VTView: ls.push(toString("_View %d", key.Index)); break;
case VTCtrl: ls.push(toString("_Ctrl %d", key.Index)); break;
case VTProp: ls.push(key.ClassInfo->Properties[key.Index].Name); break;
}
return 1;
}
// push the key on the lua stack
void push(CLuaState &ls)
{
void *ud = ls.newUserData(sizeof(*this));
*(CKey *) ud = *this;
getMetaTable(ls).push();
ls.setMetaTable(-2);
}
// pop the key from the lua stack
void pop(CLuaState &ls)
{
CLuaStackChecker lsc(&ls, -1);
if (!ls.isUserData(-1))
{
CLuaIHM::fails(ls, "Can't pop object, not a user data");
}
// check that metatable is good (it is share between all keys)
ls.getMetaTable(-1);
getMetaTable(ls).push();
if (!ls.rawEqual(-1, -2))
{
CLuaIHM::fails(ls, "Bad metatable for reflectable object key");
}
ls.pop(2);
// retrieve key
*this = *(CKey *) ls.toUserData(-1);
ls.pop();
}
// get the metatable for a CKey
CLuaObject &getMetaTable(CLuaState &ls)
{
static CLuaObject metatable;
if (!metatable.isValid())
{
// first build
CLuaStackChecker lsc(&ls);
ls.newTable();
ls.push("__tostring");
ls.push(CKey::tostring);
ls.setTable(-3);
metatable.pop(ls);
}
return metatable;
}
};
// Pop the current key to continue enumeration
CKey key;
if (ls.isNil(2))
{
// no key -> start of table
key.ValueType = CKey::VTGroup;
key.Index = -1;
}
else
{
key.pop(ls);
}
//
CInterfaceGroup *group = dynamic_cast<CInterfaceGroup *>(reflectedObject);
bool enumerate = true;
while (enumerate)
{
switch(key.ValueType)
{
case CKey::VTGroup:
if (!group || (key.Index + 1) == (sint) group->getGroups().size())
{
key.Index = -1;
key.ValueType = CKey::VTView; // continue enumeration with views
}
else
{
++ key.Index;
key.push(ls);
pushUIOnStack(ls, group->getGroups()[key.Index]);
return 2;
}
break;
case CKey::VTView:
if (!group || (key.Index + 1) == (sint) group->getViews().size())
{
key.Index = -1;
key.ValueType = CKey::VTCtrl; // continue enumeration with controls
}
else
{
++ key.Index;
key.push(ls);
pushUIOnStack(ls, group->getViews()[key.Index]);
return 2;
}
break;
case CKey::VTCtrl:
if (!group || (key.Index + 1) == (sint) group->getControls().size())
{
key.Index = -1;
key.ValueType = CKey::VTProp; // continue enumeration with properties
key.ClassInfo = reflectedObject->getClassInfo();
}
else
{
++ key.Index;
key.push(ls);
pushUIOnStack(ls, group->getControls()[key.Index]);
return 2;
}
break;
case CKey::VTProp:
if (!key.ClassInfo)
{
enumerate = false;
break;
}
if ((sint) key.ClassInfo->Properties.size() == (key.Index + 1))
{
key.ClassInfo = key.ClassInfo->ParentClass; // continue enumeration in parent class
key.Index = -1;
}
else
{
++ key.Index;
key.push(ls);
CLuaIHM::luaValueFromReflectedProperty(ls, *reflectedObject, key.ClassInfo->Properties[key.Index]);
return 2;
}
break;
default:
nlassert(0);
break;
}
}
ls.pushNil();
return 0;
}
// ***************************************************************************
void CLuaIHM::pushUIOnStack(CLuaState &ls, CInterfaceElement *pIE)
{
//H_AUTO(Lua_CLuaIHM_pushUIOnStack)
CLuaIHM::pushReflectableOnStack(ls, pIE);
}
// ***************************************************************************
bool CLuaIHM::isUIOnStack(CLuaState &ls, sint index)
{
//H_AUTO(Lua_CLuaIHM_isUIOnStack)
return getUIOnStack(ls, index) != NULL;
}
// ***************************************************************************
CInterfaceElement *CLuaIHM::getUIOnStack(CLuaState &ls, sint index)
{
//H_AUTO(Lua_CLuaIHM_getUIOnStack)
return dynamic_cast<CInterfaceElement *>(CLuaIHM::getReflectableOnStack(ls, index));
}
// ***************************************************************************
void CLuaIHM::checkArgTypeUIElement(CLuaState &ls, const char *funcName, uint index)
{
//H_AUTO(Lua_CLuaIHM_checkArgTypeUIElement)
nlassert(index > 0);
if (ls.getTop() < (int) index)
{
CLuaIHM::fails(ls, "%s : argument %d of expected type ui element was not defined", funcName, index);
}
if (!isUIOnStack(ls, index))
{
CLuaIHM::fails(ls, "%s : argument %d of expected type ui element has bad type : %s", funcName, index, ls.getTypename(ls.type(index)), ls.type(index));
}
}
// ***************************************************************************
CInterfaceElement *CLuaIHM::getUIRelative(CInterfaceElement *pIE, const std::string &propName)
{
//H_AUTO(Lua_CLuaIHM_getUIRelative)
if (pIE == NULL) return NULL;
// If the prop is "parent", then return the parent of the ui
if(propName=="parent")
{
return pIE->getParent();
}
// else try to get a child (if group/exist)
else
{
CInterfaceGroup *group= dynamic_cast<CInterfaceGroup*>(pIE);
if(group)
{
return group->getElement(group->getId()+":"+propName);
}
}
return NULL;
}
// ***************************************************************************
void CLuaIHM::registerBasics(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_registerBasics)
using namespace luabind;
lua_State *L= ls.getStatePointer();
// RGBA
module(L)
[
class_<NLMISC::CRGBA>("CRGBA")
.def(constructor<>())
.def(constructor<const NLMISC::CRGBA &>())
.def(constructor<uint8, uint8, uint8>())
.def(constructor<uint8, uint8, uint8, uint8>())
.def_readwrite("R", &NLMISC::CRGBA::R)
.def_readwrite("G", &NLMISC::CRGBA::G)
.def_readwrite("B", &NLMISC::CRGBA::B)
.def_readwrite("A", &NLMISC::CRGBA::A)
];
// ucstring
module(L)
[
class_<ucstring>("ucstring")
.def(constructor<>())
.def(constructor<const ucstring &>())
.def(constructor<const std::string &>())
.def(const_self + other<const std::string>())
.def(other<const std::string>() + const_self)
// NB nico : luabind crash not solved here -> use concatUCString as a replacement
// .def(const_self + other<const ucstring &>())
.def(const_self < other<const ucstring&>())
.def(const_self == other<const ucstring&>())
.def("toUtf8", &ucstring::toUtf8)
.def("fromUtf8", &ucstring::fromUtf8)
.def("substr", &ucstring::luabind_substr)
.def(luabind::tostring(const_self)) // __string metamethod
.def("toString", (std::string(ucstring::*)()const)&ucstring::toString)
//.def(self + other<ucstring>())
];
// CVector2f
module(L)
[
class_<NLMISC::CVector2f>("CVector2f")
.def(constructor<float ,float>())
.def_readwrite("x", &NLMISC::CVector2f::x)
.def_readwrite("y", &NLMISC::CVector2f::y)
];
}
// ***************************************************************************
int CLuaIHM::luaMethodCall(lua_State *ls)
{
//H_AUTO(Lua_CLuaIHM_luaMethodCall)
nlassert(ls);
const CReflectedProperty *prop = (const CReflectedProperty *) lua_touserdata(ls, lua_upvalueindex(1));
CLuaState *state = (CLuaState *) lua_touserdata(ls, lua_upvalueindex(2));
nlassert(prop);
nlassert(prop->Type == CReflectedProperty::LuaMethod);
nlassert(state);
if (state->empty())
{
state->push(NLMISC::toString("Error while calling lua method %s:%s : no 'self' reference provided, did you you function call '.' instead of method call ':' ?",
prop->ParentClass->ClassName.c_str(), prop->Name.c_str())
);
lua_error(ls);
}
// because this is a method, first parameter is the 'this'
CReflectableRefPtrTarget *pRPT = getReflectableOnStack(*state, 1);
if (pRPT == NULL)
{
state->push(NLMISC::toString("Error while calling lua method %s:%s : 'self' pointer is nil or of bad type, can't make the call.",
prop->ParentClass->ClassName.c_str(), prop->Name.c_str())
);
lua_error(ls);
}
//
state->remove(1); // remove 'self' reference from parameters stack
//
sint numResults = 0;
sint initialStackSize = state->getTop();
try
{
// call the actual method
numResults = (pRPT->*(prop->GetMethod.GetLuaMethod))(*state);
}
catch(const std::exception &e)
{
// restore stack to its initial size
state->setTop(initialStackSize);
lua_pushstring(ls, e.what());
// TODO : see if this is safe to call lua error there" ... (it does a long jump)
lua_error(ls);
}
return numResults;
}
// ***************************************************************************
int CLuaIHM::setOnDraw(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_setOnDraw)
CLuaStackChecker lsc(&ls, 0);
// params: CInterfaceGroup*, "script".
// return: none
CLuaIHM::checkArgCount(ls, "setOnDraw", 2);
CLuaIHM::check(ls, CLuaIHM::isUIOnStack(ls, 1), "setOnDraw() requires a UI object in param 1");
CLuaIHM::check(ls, ls.isString(2), "setOnDraw() requires a string in param 2");
// retrieve args
CInterfaceElement *pIE= CLuaIHM::getUIOnStack(ls, 1);
std::string script;
ls.toString(2, script);
// must be a group
CInterfaceGroup *group= dynamic_cast<CInterfaceGroup*>(pIE);
if(!group)
throw ELuaIHMException("setOnDraw(): '%s' is not a group", pIE->getId().c_str());
// Set the script to be executed at each draw
group->setLuaScriptOnDraw(script);
return 0;
}
// ***************************************************************************
int CLuaIHM::addOnDbChange(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_addOnDbChange)
CLuaStackChecker lsc(&ls, 0);
// params: CInterfaceGroup*, "dblist", "script".
// return: none
CLuaIHM::checkArgCount(ls, "addOnDbChange", 3);
CLuaIHM::check(ls, CLuaIHM::isUIOnStack(ls, 1), "addOnDbChange() requires a UI object in param 1");
CLuaIHM::check(ls, ls.isString(2), "addOnDbChange() requires a string in param 2");
CLuaIHM::check(ls, ls.isString(3), "addOnDbChange() requires a string in param 3");
// retrieve args
CInterfaceElement *pIE= CLuaIHM::getUIOnStack(ls, 1);
std::string dbList, script;
ls.toString(2, dbList);
ls.toString(3, script);
// must be a group
CInterfaceGroup *group= dynamic_cast<CInterfaceGroup*>(pIE);
if(!group)
throw ELuaIHMException("addOnDbChange(): '%s' is not a group", pIE->getId().c_str());
// Set the script to be executed when the given DB change
group->addLuaScriptOnDBChange(dbList, script);
return 0;
}
// ***************************************************************************
int CLuaIHM::removeOnDbChange(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_removeOnDbChange)
CLuaStackChecker lsc(&ls, 0);
// params: CInterfaceGroup*, "dbList"
// return: none
CLuaIHM::checkArgCount(ls, "removeOnDbChange", 2);
CLuaIHM::check(ls, CLuaIHM::isUIOnStack(ls, 1), "removeOnDbChange() requires a UI object in param 1");
CLuaIHM::check(ls, ls.isString(2), "removeOnDbChange() requires a string in param 2");
// retrieve args
CInterfaceElement *pIE= CLuaIHM::getUIOnStack(ls, 1);
std::string dbList;
ls.toString(2, dbList);
// must be a group
CInterfaceGroup *group= dynamic_cast<CInterfaceGroup*>(pIE);
if(!group)
throw ELuaIHMException("removeOnDbChange(): '%s' is not a group", pIE->getId().c_str());
// Remove the script to be executed when the given DB change
group->removeLuaScriptOnDBChange(dbList);
return 0;
}
// ***************************************************************************
int CLuaIHM::setCaptureKeyboard(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_setCaptureKeyboard)
const char *funcName = "setCaptureKeyboard";
CLuaIHM::checkArgCount(ls, funcName, 1);
CLuaIHM::checkArgTypeUIElement(ls, funcName, 1);
CCtrlBase *ctrl = dynamic_cast<CCtrlBase *>( CLuaIHM::getUIOnStack(ls, 1));
if (!ctrl)
{
CLuaIHM::fails(ls, "%s waits a ui control as arg 1", funcName);
}
CWidgetManager::getInstance()->setCaptureKeyboard(ctrl);
return 0;
}
// ***************************************************************************
int CLuaIHM::resetCaptureKeyboard(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_resetCaptureKeyboard)
const char *funcName = "resetCaptureKeyboard";
CLuaIHM::checkArgCount(ls, funcName, 0);
CWidgetManager::getInstance()->resetCaptureKeyboard();
return 0;
}
// ***************************************************************************
int CLuaIHM::getUIId(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_getUIId)
CLuaStackChecker lsc(&ls, 1);
// params: CInterfaceElement*
// return: "ui:interface:...". (empty if error)
CLuaIHM::checkArgCount(ls, "getUIId", 1);
CLuaIHM::check(ls, CLuaIHM::isUIOnStack(ls, 1), "getUIId() requires a UI object in param 1");
// retrieve args
CInterfaceElement *pIE= CLuaIHM::getUIOnStack(ls, 1);
// convert to id
if(pIE)
ls.push(pIE->getId());
else
ls.push("");
return 1;
}
// ***************************************************************************
int CLuaIHM::runAH(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_runAH)
CLuaStackChecker lsc(&ls, 0);
// params: CInterfaceElement *, "ah", "params".
// return: none
CLuaIHM::checkArgCount(ls, "runAH", 3);
CLuaIHM::check(ls, CLuaIHM::isUIOnStack(ls, 1) || ls.isNil(1), "runAH() requires a UI object in param 1 (or Nil)");
CLuaIHM::check(ls, ls.isString(2), "runAH() requires a string in param 2");
CLuaIHM::check(ls, ls.isString(3), "runAH() requires a string in param 3");
// retrieve args
CInterfaceElement *pIE= CLuaIHM::getUIOnStack(ls, 1);
std::string ah, params;
ls.toString(2, ah);
ls.toString(3, params);
// run AH
// The element must be ctrl (or NULL)
CCtrlBase *ctrl= NULL;
if(pIE)
{
ctrl= dynamic_cast<CCtrlBase*>(pIE);
if(!ctrl)
throw ELuaIHMException("runAH(): '%s' is not a ctrl", pIE->getId().c_str());
}
CAHManager::getInstance()->runActionHandler(ah, ctrl, params);
return 0;
}
// ***************************************************************************
int CLuaIHM::getWindowSize(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_getWindowSize)
CLuaIHM::checkArgCount(ls, "getWindowSize", 0);
uint32 w, h;
CViewRenderer::getInstance()->getScreenSize(w, h);
ls.push((double) w);
ls.push((double) h);
return 2;
}
// ***************************************************************************
int CLuaIHM::setTopWindow(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_setTopWindow)
const char *funcName = "setTopWindow";
CLuaIHM::checkArgCount(ls, funcName, 1);
CInterfaceGroup *wnd = dynamic_cast<CInterfaceGroup *>( CLuaIHM::getUIOnStack(ls, 1));
if (!wnd)
{
CLuaIHM::fails(ls, "%s : interface group expected as arg 1", funcName);
}
CWidgetManager::getInstance()->setTopWindow(wnd);
return 0;
}
int CLuaIHM::getTextureSize(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_getTextureSize)
const char *funcName = "getTextureSize";
CLuaIHM::checkArgCount(ls, funcName, 1);
CLuaIHM::checkArgType(ls, funcName, 1, LUA_TSTRING);
std::string textureName = ls.toString(1);
CBitmap bitmap;
CIFile fs(CPath::lookup(textureName).c_str());
bitmap.load(fs);
ls.push((double) bitmap.getWidth());
ls.push((double) bitmap.getHeight());
return 2;
}
// ***************************************************************************
int CLuaIHM::disableModalWindow(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_disableModalWindow)
CLuaIHM::checkArgCount(ls, "disableModalWindow", 0);
CWidgetManager::getInstance()->disableModalWindow();
return 0;
}
// ***************************************************************************
int CLuaIHM::deleteUI(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_deleteUI)
CLuaStackChecker lsc(&ls, 0);
// params: CInterfaceElement *
// return: none
CLuaIHM::checkArgCount(ls, "deleteUI", 1);
CLuaIHM::check(ls, CLuaIHM::isUIOnStack(ls, 1), "deleteUI() requires a UI object in param 1");
// retrieve args
CInterfaceElement *pIE= CLuaIHM::getUIOnStack(ls, 1);
if(!pIE)
return 0;
// has a parent?
CInterfaceGroup *parent= pIE->getParent();
if(parent)
{
// correctly remove from parent
parent->delElement(pIE);
}
else
{
// just delete
delete pIE;
}
return 0;
}
// ***************************************************************************
int CLuaIHM::deleteReflectable(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_deleteReflectable)
CLuaStackChecker lsc(&ls, 0);
// params: CInterfaceElement *
// return: none
CLuaIHM::checkArgCount(ls, "deleteReflectable", 1);
CLuaIHM::check(ls, CLuaIHM::isReflectableOnStack(ls, 1), "deleteReflectable() requires a reflectable C++ object in param 1");
// retrieve args
CReflectableRefPtrTarget *pRPT= CLuaIHM::getReflectableOnStack(ls, 1);
if(!pRPT)
return 0;
CInterfaceElement *pIE = dynamic_cast<CInterfaceElement *>(pRPT);
if (pIE)
{
// has a parent?
CInterfaceGroup *parent= pIE->getParent();
if(parent)
{
// correctly remove from parent
parent->delElement(pIE);
}
}
// just delete
delete pIE;
return 0;
}
int CLuaIHM::getCurrentWindowUnder(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_getCurrentWindowUnder)
CLuaStackChecker lsc(&ls, 1);
CInterfaceElement *pIE= CWidgetManager::getInstance()->getCurrentWindowUnder();
if(!pIE)
{
ls.pushNil();
nlerror("getCurrentWindowUnder(): No UICaller found. return Nil");
}
else
{
CLuaIHM::pushUIOnStack(ls, pIE);
}
return 1;
}
// ***************************************************************************
bool CLuaIHM::fileExists(const std::string &fileName)
{
//H_AUTO(Lua_CLuaIHM_fileExists)
return CPath::exists(fileName);
}
// ***************************************************************************
int CLuaIHM::runExprAndPushResult(CLuaState &ls, const std::string &expr)
{
//H_AUTO(Lua_CLuaIHM_runExprAndPushResult)
// Execute expression
CInterfaceExprValue value;
if (CInterfaceExpr::eval(expr, value, NULL))
{
switch(value.getType())
{
case CInterfaceExprValue::Boolean:
ls.push(value.getBool());
break;
case CInterfaceExprValue::Integer:
ls.push((double)value.getInteger());
break;
case CInterfaceExprValue::Double:
ls.push(value.getDouble());
break;
case CInterfaceExprValue::String:
{
ucstring ucstr= value.getUCString();
// Yoyo: dynamically decide whether must return a string or a ucstring
bool mustUseUCString= false;
for (uint i = 0; i < ucstr.size (); i++)
{
if (ucstr[i] > 255)
{
mustUseUCString= true;
break;
}
}
// push a ucstring?
if(mustUseUCString)
{
#if LUABIND_VERSION > 600
luabind::detail::push(ls.getStatePointer(), ucstr);
#else
luabind::object obj(ls.getStatePointer(), ucstr);
obj.pushvalue();
#endif
}
else
{
ls.push(ucstr.toString());
}
break;
}
case CInterfaceExprValue::RGBA:
{
CRGBA color = value.getRGBA();
#if LUABIND_VERSION > 600
luabind::detail::push(ls.getStatePointer(), color);
#else
luabind::object obj(ls.getStatePointer(), color);
obj.pushvalue();
#endif
break;
}
break;
case CInterfaceExprValue::UserType: // Yoyo: don't care UserType...
default:
ls.pushNil();
break;
}
}
else
ls.pushNil();
return 1;
}
// ***************************************************************************
int CLuaIHM::runExpr(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_runExpr)
CLuaStackChecker lsc(&ls, 1);
// params: "expr".
// return: any of: nil, bool, string, number, RGBA, UCString
CLuaIHM::checkArgCount(ls, "runExpr", 1);
CLuaIHM::check(ls, ls.isString(1), "runExpr() requires a string in param 1");
// retrieve args
std::string expr;
ls.toString(1, expr);
// run expression and push result
return runExprAndPushResult(ls, expr);
}
// ***************************************************************************
int CLuaIHM::runFct(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_runFct)
CLuaStackChecker lsc(&ls, 1);
// params: "expr", param1, param2...
// return: any of: nil, bool, string, number, RGBA, UCString
CLuaIHM::checkArgMin(ls, "runFct", 1);
CLuaIHM::check(ls, ls.isString(1), "runExpr() requires a string in param 1");
// retrieve fct
std::string expr;
ls.toString(1, expr);
expr+= "(";
// retrieve params
uint top= ls.getTop();
for(uint i=2;i<=top;i++)
{
if(i>2)
expr+= ", ";
// If it is a number
if(ls.type(i)==LUA_TNUMBER)
{
std::string paramValue;
ls.toString(i, paramValue); // nb: transformed to a string in the stack
expr+= paramValue;
}
// else suppose a string
else
{
// must enclose with "'"
std::string paramValue;
ls.toString(i, paramValue);
expr+= std::string("'") + paramValue + std::string("'") ;
}
}
// end fct call
expr+= ")";
// run expression and push result
return runExprAndPushResult(ls, expr);
}
// ***************************************************************************
int CLuaIHM::runCommand(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_runCommand)
CLuaStackChecker lsc(&ls, 1);
if (ls.empty())
{
nlwarning("'runCommand' : Command name expected");
ls.push(false);
return 1;
}
const char *commandName = ls.toString(1);
if (!commandName)
{
nlwarning("'runCommand' : Bad command name");
ls.push(false);
return 1;
}
if (!NLMISC::ICommand::LocalCommands || !NLMISC::ICommand::LocalCommands->count(ls.toString(1)))
{
nlwarning("'runCommand' : Command %s not found", ls.toString(1));
ls.push(false);
return 1;
}
std::string rawCommandString = ls.toString(1);
NLMISC::ICommand *command = (*NLMISC::ICommand::LocalCommands)[ls.toString(1)];
nlassert(command);
std::vector<std::string> args(ls.getTop() - 1);
for(uint k = 2; k <= (uint) ls.getTop(); ++k)
{
if (ls.toString(k))
{
args[k - 2] = ls.toString(k);
rawCommandString += " " + std::string(ls.toString(k));
}
}
ls.push(command->execute(rawCommandString, args, NLMISC::ErrorLog(), false, true));
return 1;
}
// ***************************************************************************
int CLuaIHM::isUCString(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_isUCString)
const char *funcName = "isUCString";
CLuaIHM::checkArgCount(ls, funcName, 1);
ls.push(CLuaIHM::isUCStringOnStack(ls, 1));
return 1;
}
// ***************************************************************************
int CLuaIHM::concatUCString(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_concatUCString)
const char *funcName = "concatUCString";
ucstring result;
for (uint k = 1; k <= (uint) ls.getTop(); ++k)
{
//nlwarning("arg %d = %s", k, ls.getTypename(ls.type(k)));
ucstring part;
if (ls.isString(k))
{
part.fromUtf8(ls.toString(k));
}
else
{
CLuaIHM::checkArgTypeUCString(ls, funcName, k);
nlverify(CLuaIHM::getUCStringOnStack(ls, k, part));
}
result += part;
}
CLuaIHM::push(ls, result);
return 1;
}
// ***************************************************************************
int CLuaIHM::concatString(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_concatUCString)
const char *funcName = "concatString";
std::string result;
uint stackSize = ls.getTop();
for (uint k = 1; k <= stackSize; ++k)
{
CLuaIHM::checkArgType(ls, funcName, k, LUA_TSTRING);
result += ls.toString(k);
}
ls.push(result);
return 1;
}
// ***************************************************************************
int CLuaIHM::tableToString(CLuaState &ls)
{
const char *funcName = "tableToString";
CLuaIHM::checkArgCount(ls, funcName, 1);
CLuaIHM::checkArgType(ls, funcName, 1, LUA_TTABLE);
uint length = 0;
// compute size
ls.pushNil();
while (ls.next(-2))
{
ls.toString(-1);
length += (uint)ls.strlen(-1);
ls.pop(2);
}
std::string result;
result.resize(length);
char *dest = &result[0];
// concatenate
ls.pushNil();
while (ls.next(-2))
{
uint length = (uint)ls.strlen(-1);
if (length)
{
memcpy(dest, ls.toString(-1), length);
}
dest += length;
ls.pop(2);
}
ls.push(result);
return 1;
}
int CLuaIHM::getPathContent(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_getPathContent)
const char *funcName = "getPathContent";
CLuaIHM::checkArgCount(ls, funcName, 1);
CLuaIHM::checkArgType(ls, funcName, 1, LUA_TSTRING);
std::vector<std::string> files;
NLMISC::CPath::getPathContent(ls.toString(1), false, false, true, files);
ls.newTable();
for(uint k = 0; k < files.size(); ++k)
{
ls.push((double) k);
ls.push(files[k]);
ls.setTable(-3);
}
return 1;
}
// ***************************************************************************
void CLuaIHM::luaValueFromReflectedProperty(CLuaState &ls, CReflectable &reflectedObject, const CReflectedProperty &property)
{
//H_AUTO(Lua_CLuaIHM_luaValueFromReflectedProperty)
switch(property.Type)
{
case CReflectedProperty::Boolean:
ls.push( (reflectedObject.*(property.GetMethod.GetBool))() );
break;
case CReflectedProperty::SInt32:
ls.push( (lua_Number)(reflectedObject.*(property.GetMethod.GetSInt32))() );
break;
case CReflectedProperty::Float:
ls.push( (lua_Number)(reflectedObject.*(property.GetMethod.GetFloat))() );
break;
case CReflectedProperty::String:
ls.push( (reflectedObject.*(property.GetMethod.GetString))() );
break;
case CReflectedProperty::UCString:
{
ucstring str = (reflectedObject.*(property.GetMethod.GetUCString))();
#if LUABIND_VERSION > 600
luabind::detail::push(ls.getStatePointer(), str);
#else
luabind::object obj(ls.getStatePointer(), str);
obj.pushvalue();
#endif
}
break;
case CReflectedProperty::RGBA:
{
CRGBA color = (reflectedObject.*(property.GetMethod.GetRGBA))();
#if LUABIND_VERSION > 600
luabind::detail::push(ls.getStatePointer(), color);
#else
luabind::object obj(ls.getStatePointer(), color);
obj.pushvalue();
#endif
}
break;
case CReflectedProperty::LuaMethod:
{
// must create a closure that will forward the call to the real method
if (!property.LuaMethodRef.isValid())
{
ls.pushLightUserData((void *) &property);
ls.pushLightUserData((void *) &ls);
ls.pushCClosure(luaMethodCall, 2);
property.LuaMethodRef.pop(ls);
}
nlassert(property.LuaMethodRef.getLuaState() == &ls); // only one single lua state supported for now
property.LuaMethodRef.push();
}
break;
default:
nlstop;
break;
}
}
// ***************************************************************************
void CLuaIHM::luaValueToReflectedProperty(CLuaState &ls, int stackIndex, CReflectable &target, const CReflectedProperty &property) throw(ELuaIHMException)
{
//H_AUTO(Lua_property_throw)
if(ls.isNil(stackIndex))
throw ELuaIHMException("Trying to set nil to UI property '%s'", property.Name.c_str());
switch(property.Type)
{
case CReflectedProperty::Boolean:
{
bool val= ls.toBoolean(stackIndex);
(target.*(property.SetMethod.SetBool))(val);
return;
}
case CReflectedProperty::SInt32:
{
sint32 val= (sint32)ls.toNumber(stackIndex);
(target.*(property.SetMethod.SetSInt32))(val);
return;
}
case CReflectedProperty::UInt32:
{
uint32 val= (uint32)ls.toNumber(stackIndex);
(target.*(property.SetMethod.SetUInt32))(val);
return;
}
case CReflectedProperty::Float:
{
float val= (float)ls.toNumber(stackIndex);
(target.*(property.SetMethod.SetFloat))(val);
return;
}
case CReflectedProperty::String:
{
std::string val;
ls.toString(stackIndex, val);
(target.*(property.SetMethod.SetString))(val);
return;
}
case CReflectedProperty::UCString:
{
ucstring val;
// Additionaly return of CInterfaceExpr may be std::string... test std string too
if(ls.isString() || ls.isNumber())
{
std::string str;
ls.toString(stackIndex, str);
val= str;
}
else
{
// else this should be a ucstring
if (!pop(ls, val))
{
throw ELuaIHMException("You must set a string, number or ucstring to UI property '%s'", property.Name.c_str());
}
}
(target.*(property.SetMethod.SetUCString))(val);
return;
}
case CReflectedProperty::RGBA:
{
CRGBA color;
if (pop(ls, color))
{
(target.*(property.SetMethod.SetRGBA))(color);
}
else
{
throw ELuaIHMException("You must set a CRGBA to UI property '%s'", property.Name.c_str());
}
return;
}
default:
nlstop;
}
}
// ***************************************************************************
void CLuaIHM::createLuaEnumTable(CLuaState &ls, const std::string &str)
{
//H_AUTO(Lua_CLuaIHM_createLuaEnumTable)
std::string path = "", script, p;
CSString s = str;
// Create table recursively (ex: 'game.TPVPClan' will check/create the table 'game' and 'game.TPVPClan')
p = s.splitTo('.', true);
while (p.size() > 0)
{
if (path.empty() )
path = p;
else
path += "." + p;
script = "if (" + path + " == nil) then " + path + " = {}; end";
ls.executeScript(script);
p = s.splitTo('.', true);
}
}
#define LUABIND_ENUM(__enum__, __name__, __num__, __toStringFunc__) \
createLuaEnumTable(ls, __name__); \
for (uint e=0 ; e<__num__ ; e++) \
{ \
std::string str = __toStringFunc__((__enum__)e); \
std::string temp = __name__ + toString(".") + __toStringFunc__((__enum__)e) + " = " + toString("%d;", e); \
ls.executeScript(temp); \
} \
// ***************************************************************************
#define LUABIND_FUNC(__func__) luabind::def(#__func__, &__func__)
void CLuaIHM::registerIHM(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_registerIHM)
CLuaStackChecker lsc(&ls);
// *** Register a Table for ui env.
ls.push(IHM_LUA_ENVTABLE); // "__ui_envtable"
ls.newTable(); // "__ui_envtable" {}
ls.setTable(LUA_REGISTRYINDEX);
// *** Register the MetaTable for UI userdata
ls.push(IHM_LUA_METATABLE); // "__ui_metatable"
ls.newTable(); // "__ui_metatable" {}
// set the '__index' method
ls.push("__index");
ls.push(luaUIIndex);
nlassert(ls.isCFunction());
ls.setTable(-3); // "__ui_metatable" {"__index"= CFunc_luaUIIndex}
// set the '__newindex' method
ls.push("__newindex");
ls.push(luaUINewIndex);
nlassert(ls.isCFunction());
ls.setTable(-3);
// set the '__newindex' method
ls.push("__gc");
ls.push(luaUIDtor);
nlassert(ls.isCFunction());
ls.setTable(-3);
// set the '__eq' method
ls.push("__eq");
ls.push(luaUIEq);
nlassert(ls.isCFunction());
ls.setTable(-3);
// set the custom '__next' method
ls.push("__next");
ls.push(luaUINext);
nlassert(ls.isCFunction());
ls.setTable(-3);
// set registry
ls.setTable(LUA_REGISTRYINDEX);
// *** Register Functions
ls.registerFunc("setOnDraw", setOnDraw);
ls.registerFunc("setCaptureKeyboard", setCaptureKeyboard);
ls.registerFunc("resetCaptureKeyboard", resetCaptureKeyboard);
ls.registerFunc("setTopWindow", setTopWindow);
ls.registerFunc("addOnDbChange", addOnDbChange);
ls.registerFunc("removeOnDbChange", removeOnDbChange);
ls.registerFunc("getUIId", getUIId);
ls.registerFunc("runAH", runAH);
ls.registerFunc("deleteUI", deleteUI);
ls.registerFunc("deleteReflectable", deleteReflectable);
ls.registerFunc("getWindowSize", getWindowSize);
ls.registerFunc("getTextureSize", getTextureSize);
ls.registerFunc("disableModalWindow", disableModalWindow);
ls.registerFunc("isUCString", isUCString);
ls.registerFunc("concatUCString", concatUCString);
ls.registerFunc("concatString", concatString);
ls.registerFunc("tableToString", tableToString);
ls.registerFunc("getCurrentWindowUnder", getCurrentWindowUnder);
ls.registerFunc("runExpr", runExpr);
ls.registerFunc("runFct", runFct);
ls.registerFunc("runCommand", runCommand);
ls.registerFunc("getPathContent", getPathContent);
// Through LUABind API
lua_State *L= ls.getStatePointer();
luabind::module(L)
[
luabind::def("findReplaceAll", (std::string(*)(const std::string &, const std::string &, const std::string &)) &findReplaceAll),
luabind::def("findReplaceAll", (ucstring(*)(const ucstring &, const ucstring &, const ucstring &)) &findReplaceAll),
luabind::def("findReplaceAll", (ucstring(*)(const ucstring &, const std::string &, const std::string &)) &findReplaceAll),
luabind::def("findReplaceAll", (ucstring(*)(const ucstring &, const ucstring &, const std::string &)) &findReplaceAll),
luabind::def("findReplaceAll", (ucstring(*)(const ucstring &, const std::string &, const ucstring &)) &findReplaceAll),
#if !FINAL_VERSION
LUABIND_FUNC(openDoc),
LUABIND_FUNC(launchProgram),
#endif
luabind::def("fileLookup", CMiscFunctions::fileLookup),
luabind::def("shellExecute", CMiscFunctions::shellExecute),
LUABIND_FUNC(fileExists)
];
// inside i18n table
luabind::module(L, "i18n")
[
luabind::def("get", &CI18N::get),
luabind::def("hasTranslation", &CI18N::hasTranslation)
];
// inside 'nlfile' table
luabind::module(L, "nlfile")
[
luabind::def("getFilename", NLMISC::CFile::getFilename),
luabind::def("getExtension", NLMISC::CFile::getExtension),
luabind::def("getFilenameWithoutExtension", NLMISC::CFile::getFilenameWithoutExtension)
];
// inside 'nltime' table
luabind::module(L, "nltime")
[
luabind::def("getPreciseLocalTime", getPreciseLocalTime),
luabind::def("getSecondsSince1970", NLMISC::CTime::getSecondsSince1970),
luabind::def("getLocalTime", getLocalTime) // NB : use CLuaIHM::getLocalTime instead of NLMISC::CTime::getLocalTime, because the NLMISC
// version returns a uint64, which can't be casted into lua numbers (doubles ...)
];
}
// ***************************************************************************
double CLuaIHM::getPreciseLocalTime()
{
//H_AUTO(Lua_CLuaIHM_getPreciseLocalTime)
// don't export these 2 function to lua directly here, because all uint64 can't be represented with lua 'numbers'
return NLMISC::CTime::ticksToSecond(NLMISC::CTime::getPerformanceTime());
}
// ***************************************************************************
void CLuaIHM::registerAll(CLuaState &ls)
{
//H_AUTO(Lua_CLuaIHM_registerAll)
registerBasics(ls);
registerIHM(ls);
}
//#define CHECK_REFLECTABLE_MT
// ***************************************************************************
void CLuaIHM::pushReflectableOnStack(CLuaState &ls, class CReflectableRefPtrTarget *pRPT)
{
//H_AUTO(Lua_CLuaIHM_pushReflectableOnStack)
nlassert(pRPT);
CLuaStackChecker lsc(&ls, 1);
if (!pRPT)
{
ls.pushNil();
return;
}
//ls.dumpStack();
/** if there's already a ref ptr for this object in the registry, then use it,
* else create a new one to avoid costly allocations
*/
ls.pushLightUserData(pRPT);
ls.getTable(LUA_REGISTRYINDEX);
//ls.dumpStack();
if (ls.isNil())
{
ls.pop(1);
//ls.dumpStack();
// allocate the user data where to put the ref ptr
void *ptr= ls.newUserData(sizeof(CReflectableLuaRef));
nlassert(ptr);
//ls.dumpStack();
// initialize it, and copy the given element
new (ptr) CReflectableLuaRef(pRPT);
// Assign to this user data the __ui_metatable
//ls.dumpStack();
ls.push(IHM_LUA_METATABLE); // userdata "__ui_metatable"
//ls.dumpStack();
ls.getTable(LUA_REGISTRYINDEX); // userdata __ui_metatable
//ls.dumpStack();
nlverify(ls.setMetaTable(-2)); // userdata
//ls.dumpStack();
// cache in registry
ls.pushLightUserData(pRPT);
ls.pushValue(-2); // copy for table insertion
//ls.dumpStack();
ls.setTable(LUA_REGISTRYINDEX);
//ls.dumpStack();
}
// Check that the metatable is correct
#ifdef CHECK_REFLECTABLE_MT
nlverify(ls.getMetaTable(-1)); // userdata __ui_metatable
ls.push("__index");
ls.getTable(-2);
ls.push("__newindex");
ls.getTable(-3);
ls.push("__gc");
ls.getTable(-4);
nlassert(ls.isCFunction(-1));
nlassert(ls.isCFunction(-2));
nlassert(ls.isCFunction(-3));
ls.pop(4);
#endif
//ls.dumpStack();
}
// ***************************************************************************
bool CLuaIHM::isReflectableOnStack(CLuaState &ls, sint index)
{
//H_AUTO(Lua_CLuaIHM_isReflectableOnStack)
CLuaStackChecker lsc(&ls);
if(!ls.isUserData(index))
return false;
// verify that it is a UI with its metatable
if(!ls.getMetaTable(index)) // ??? object_metatable
return false;
ls.push(IHM_LUA_METATABLE); // ??? object_metatable "__ui_metatable"
ls.getTable(LUA_REGISTRYINDEX); // ??? object_metatable __ui_metatable
// equal test
bool ok= ls.rawEqual(-2, -1);
// Also must not be nil (maybe nil in case of LuaIHM still not registered)
ok= ok && !ls.isNil(-1);
ls.pop();
ls.pop();
return ok;
}
// ***************************************************************************
CReflectableRefPtrTarget *CLuaIHM::getReflectableOnStack(CLuaState &ls, sint index)
{
//H_AUTO(Lua_CLuaIHM_getReflectableOnStack)
if(!isReflectableOnStack(ls, index))
return NULL;
CReflectableLuaRef *p= (CReflectableLuaRef *) ls.toUserData(index);
nlassert(p->Ptr);
return p->Ptr;
}
// ***************************************************************************
// ***************************************************************************
// LUA IHM Functions
// ***************************************************************************
// ***************************************************************************
// ***************************************************************************
uint32 CLuaIHM::getLocalTime()
{
//H_AUTO(Lua_CLuaIHM_getLocalTime)
return (uint32) NLMISC::CTime::getLocalTime();
}
// ***************************************************************************
std::string CLuaIHM::findReplaceAll(const std::string &str, const std::string &search, const std::string &replace)
{
//H_AUTO(Lua_CLuaIHM_findReplaceAll)
std::string ret= str;
while(strFindReplace(ret, search, replace));
return ret;
}
// ***************************************************************************
ucstring CLuaIHM::findReplaceAll(const ucstring &str, const ucstring &search, const ucstring &replace)
{
//H_AUTO(Lua_CLuaIHM_findReplaceAll)
ucstring ret= str;
while(strFindReplace(ret, search, replace));
return ret;
}
// ***************************************************************************
ucstring CLuaIHM::findReplaceAll(const ucstring &str, const std::string &search, const std::string &replace)
{
//H_AUTO(Lua_CLuaIHM_findReplaceAll)
return findReplaceAll(str, ucstring(search), ucstring(replace));
}
// ***************************************************************************
ucstring CLuaIHM::findReplaceAll(const ucstring &str, const std::string &search, const ucstring &replace)
{
//H_AUTO(Lua_CLuaIHM_findReplaceAll)
return findReplaceAll(str, ucstring(search), ucstring(replace));
}
// ***************************************************************************
ucstring CLuaIHM::findReplaceAll(const ucstring &str, const ucstring &search, const std::string &replace)
{
//H_AUTO(Lua_CLuaIHM_findReplaceAll)
return findReplaceAll(str, ucstring(search), ucstring(replace));
}
// ***************************************************************************
void CLuaIHM::fails(CLuaState &ls, const char *format, ...)
{
//H_AUTO(Lua_CLuaIHM_fails)
std::string reason;
NLMISC_CONVERT_VARGS (reason, format, NLMISC::MaxCStringSize);
std::string stack;
ls.getStackAsString(stack);
// use a std::exception, to avoid Nel Exception warning
throw ELuaIHMException("%s. Lua stack = \n %s", reason.c_str(), stack.c_str());
}
// ***************************************************************************
void CLuaIHM::checkArgCount(CLuaState &ls, const char* funcName, uint nArgs)
{
//H_AUTO(Lua_CLuaIHM_checkArgCount)
if(ls.getTop()!=(sint)nArgs)
{
fails(ls, "%s() need exactly %d arguments (tips : check between method & function call)", funcName, nArgs);
}
}
// ***************************************************************************
void CLuaIHM::checkArgMin(CLuaState &ls, const char* funcName, uint nArgs)
{
//H_AUTO(Lua_CLuaIHM_checkArgMin)
if(ls.getTop()<(sint)nArgs)
{
fails(ls, "%s() need at least %d arguments (tips : check between method & function call)", funcName, nArgs);
}
}
// ***************************************************************************
void CLuaIHM::checkArgMax(CLuaState &ls,const char* funcName,uint nArgs)
{
//H_AUTO(Lua_CLuaIHM_checkArgMax)
if(ls.getTop()>(sint)nArgs)
{
fails(ls, "%s() need at most %d arguments.", funcName, nArgs);
}
}
// ***************************************************************************
void CLuaIHM::check(CLuaState &ls, bool ok, const std::string &failReason)
{
//H_AUTO(Lua_CLuaIHM_check)
if(!ok)
{
fails(ls, failReason.c_str());
}
}
// ***************************************************************************
void CLuaIHM::checkArgType(CLuaState &ls, const char *funcName, uint index, int argType)
{
//H_AUTO(Lua_CLuaIHM_checkArgType)
nlassert(index > 0);
if (ls.getTop() < (int) index)
{
fails(ls, "%s : argument %d of expected type %s was not defined", funcName, index, ls.getTypename(argType));
}
if (ls.type(index) != argType)
{
fails(ls, "%s : argument %d of expected type %s has bad type : %s", funcName, index, ls.getTypename(argType), ls.getTypename(ls.type(index)), ls.type(index));
}
}
// ***************************************************************************
void CLuaIHM::checkArgTypeRGBA(CLuaState &ls, const char *funcName, uint index)
{
//H_AUTO(Lua_CLuaIHM_checkArgTypeRGBA)
nlassert(index > 0);
if (ls.getTop() < (int) index)
{
fails(ls, "%s : argument %d of expected type RGBA was not defined", funcName, index);
}
ls.pushValue(index);
CRGBA dummy;
if (!pop(ls, dummy))
{
fails(ls, "%s : argument %d of expected type RGBA has bad type : %s", funcName, index, ls.getTypename(ls.type(index)), ls.type(index));
}
}
// ***************************************************************************
void CLuaIHM::checkArgTypeUCString(CLuaState &ls, const char *funcName, uint index)
{
//H_AUTO(Lua_CLuaIHM_checkArgTypeUCString)
nlassert(index > 0);
if (ls.getTop() < (int) index)
{
fails(ls, "%s : argument %d of expected type ucstring was not defined", funcName, index);
}
ls.pushValue(index);
ucstring dummy;
if (!pop(ls, dummy))
{
fails(ls, "%s : argument %d of expected type ucstring has bad type : %s", funcName, index, ls.getTypename(ls.type(index)), ls.type(index));
}
}
// ***************************************************************************
bool CLuaIHM::popString(CLuaState &ls, std::string & dest)
{
//H_AUTO(Lua_CLuaIHM_popString)
try
{
#if LUABIND_VERSION > 600
luabind::object obj(luabind::from_stack(ls.getStatePointer(), -1));
ls.pop();
#else
luabind::object obj(ls.getStatePointer());
obj.set();
#endif
dest = luabind::object_cast<std::string>(obj);
}
catch(const luabind::cast_failed &)
{
return false;
}
return true;
}
// ***************************************************************************
bool CLuaIHM::popSINT32(CLuaState &ls, sint32 & dest)
{
//H_AUTO(Lua_CLuaIHM_popSINT32)
try
{
#if LUABIND_VERSION > 600
luabind::object obj(luabind::from_stack(ls.getStatePointer(), -1));
ls.pop();
#else
luabind::object obj(ls.getStatePointer());
obj.set();
#endif
dest = luabind::object_cast<sint32>(obj);
}
catch(const luabind::cast_failed &)
{
return false;
}
return true;
}
// ***************************************************************************
void CLuaIHM::getPoly2DOnStack(CLuaState &ls, sint index, NLMISC::CPolygon2D &dest)
{
//H_AUTO(Lua_CLuaIHM_getPoly2DOnStack)
ls.pushValue(index);
CLuaObject poly;
poly.pop(ls);
dest.Vertices.clear();
ENUM_LUA_TABLE(poly, it)
{
it.nextValue().push();
NLMISC::CVector2f pos;
if (!pop(ls, pos))
{
fails(ls, "2D polygon expects CVector2f for poly coordinates");
}
dest.Vertices.push_back(pos);
}
}
}
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