xlb is another library for binding C++ to Lua. It depends on C++17, and it's just one header file.
- function
- callback function
- class ( member data and function )
- inherited function
- overload function ( do not recommend )
- constant and namespace
- default value for function
- dereference from pointer
- get address of value
- operator overload
- module and const integral
xlb_module(L, MODULE_NAME) ({
xlb_const("WINVER", WINVER)
});- function
xlb_module(L, MODULE_NAME) ({
xlb_f("malloc", malloc),
xlb_f("free", free)
});- callback as class
xlb_module(L, MODULE_NAME) ({
xlb_class<xlb_cbf<WNDENUMPROC>>("EnumWindowsProc").constructor<xlb_luafunc>(),
}); function EnumWindows()
luawin.load_wmsg();
local len = 1024;
local buff = string.rep('\0', len);
local EnumWindowsProc = luawin.EnumWindowsProc(function(hwnd, lParam)
local len = luawin.GetWindowText(hwnd, buff, len);
print('---' .. string.sub(buff, 1, len) .. ',' .. lParam);
return true;
end);
luawin.EnumWindows(EnumWindowsProc, 999);
endmaybe Output is :
---MSCTFIME UI,999
---Default IME,999
- inherited
xlb_module(L, MODULE_NAME) ({
xlb_class<classB>("classB")
.inherited<classA>()
.constructor<>()
.destructor()
});- tag struct and property
xlb_module(L, MODULE_NAME) ({
xlb_class<PRINTPAGERANGE>("PRINTPAGERANGE") .constructor<>() .destructor()
.property("nFromPage", &PRINTPAGERANGE::nFromPage)
.property("nToPage", &PRINTPAGERANGE::nToPage)
});- create object with new in place ( malloc and free )
require 'luawin'
luawin.load_base();
function BASE()
luawin.load_dialog();
print('---sizeof PRINTPAGERANGE=' .. luawin.PRINTPAGERANGE.typesize);
local a = luawin.malloc(luawin.PRINTPAGERANGE.typesize);
print('---a=' .. luawin.type(a));
local b = luawin.PRINTPAGERANGE:newin(a);
b.nFromPage = 1;
b.nToPage = 2;
print('---b.nFromPage=' .. b.nFromPage);
print('---b.nToPage=' .. b.nToPage);
print('---b=' .. luawin.type(b));
b = nil;
collectgarbage();
print('--');
luawin.free(a);
endmaybe Output is:
---sizeof PRINTPAGERANGE=8
---a=(0x000001B028EA7720 : T*)
---b.nFromPage=1
---b.nToPage=2
---b=(0x000001B028EA7720 : T)
- bind Windows API to Lua ( BASE, MESSAGE, GUI, Dialog and SNMP )
- Licensed under the MIT License.
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