module doodle.tk.types;

public {
    import std.string;
}

private {
    import std.typecons;
    import std.algorithm;
}

mixin(defineEnum!("ButtonAction",
                  "SINGLE_PRESS", "DOUBLE_PRESS", "TRIPLE_PRESS", "RELEASE"));

mixin(defineEnum!("ButtonName",
                  "LEFT", "MIDDLE", "RIGHT", "FOUR", "FIVE"));

mixin(defineEnum!("ScrollDirection",
                  "UP", "DOWN", "LEFT", "RIGHT"));

mixin(defineEnum!("Modifier",
                  "SHIFT", "CAPS_LOCK", "CONTROL", "ALT", "NUM_LOCK", "META",
                  "SCROLL_LOCK", "LEFT_BUTTON", "MIDDLE_BUTTON", "RIGHT_BUTTON",
                  "UNUSED_BUTTON_1", "UNUSED_BUTTON_2"));

mixin(defineEnum!("CrossingMode",           // FIXME what to do about GRAB2/UNGRAB2
                  "NORMAL", "GRAB", "UNGRAB", "GRAB2", "UNGRAB2", "STATE_CHANGED"));

struct Mask {
    this(in Modifier[] modifiers) {
        foreach (ref m; modifiers) {
            _bits |= 1 << m;
        }
    }

    string toString() {
        string s;

        // FIXME this is terrible
        for (int i = 0; i < uint.sizeof * 8; ++i) {
            if (_bits & (1 << i)) {
                if (s != "") s ~= "|";
                s ~= enumToString(cast(Modifier)i);
            }
        }

        return s;
    }

    bool isSet(in Modifier m) const {
        return _bits & (1 << m);
    }

    bool isUnset(in Modifier m) const {
        return !isSet(m);
    }

    private {
        uint _bits;
    }
}