diff options
Diffstat (limited to 'util-src/windows.c')
| -rw-r--r-- | util-src/windows.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/util-src/windows.c b/util-src/windows.c index 12bd7ce9..e1e07608 100644 --- a/util-src/windows.c +++ b/util-src/windows.c @@ -43,9 +43,38 @@ static int Lget_nameservers(lua_State *L) { } } +static void lassert(lua_State *L, BOOL test, char* string) { + if (!test) { + luaL_error(L, "%s: %d", string, GetLastError()); + } +} + +static int Lget_consolecolor(lua_State *L) { + HWND console = GetStdHandle(STD_OUTPUT_HANDLE); + WORD color; DWORD read_len; + + CONSOLE_SCREEN_BUFFER_INFO info; + + lassert(L, console != INVALID_HANDLE_VALUE, "GetStdHandle"); + lassert(L, GetConsoleScreenBufferInfo(console, &info), "GetConsoleScreenBufferInfo"); + lassert(L, ReadConsoleOutputAttribute(console, &color, sizeof(WORD), info.dwCursorPosition, &read_len), "ReadConsoleOutputAttribute"); + + lua_pushnumber(L, color); + return 1; +} +static int Lset_consolecolor(lua_State *L) { + int color = luaL_checkint(L, 1); + HWND console = GetStdHandle(STD_OUTPUT_HANDLE); + lassert(L, console != INVALID_HANDLE_VALUE, "GetStdHandle"); + lassert(L, SetConsoleTextAttribute(console, color), "SetConsoleTextAttribute"); + return 0; +} + static const luaL_Reg Reg[] = { { "get_nameservers", Lget_nameservers }, + { "get_consolecolor", Lget_consolecolor }, + { "set_consolecolor", Lset_consolecolor }, { NULL, NULL } }; |