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util-src/windows.c: Added get_consolecolor, set_consolecolor.

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This commit is contained in:
Waqas Hussain 2010-12-15 01:53:33 +05:00
parent 91b6b03395
commit d3aac67ca6
1 changed files with 29 additions and 0 deletions
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29
util-src/windows.c
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@ -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 }
};