Function l_selection_not

src/nhlsel.c:259–277

/* local s = selection.negate(); */
/* local s = sel:negate(); */
staticfn int
l_selection_not(lua_State *L)
{
    int argc = lua_gettop(L);
    struct selectionvar *sel, *sel2;

    if (argc == 0) {
        (void) l_selection_new(L);
        sel = l_selection_check(L, 1);
        selection_clear(sel, 1);
    } else {
        (void) l_selection_check(L, 1);
        (void) l_selection_clone(L);
        sel2 = l_selection_check(L, 2);
        selection_not(sel2);
        lua_remove(L, 1);
    }
    return 1;
}

/* local sel = selection.area(4,5, 40,10) & selection.rect(7,8, 60,14); */
staticfn int