AcceleratorModifiers

pub const AcceleratorModifiers = struct

File

Code

pub const AcceleratorModifiers = struct {
    value: u8 = 0,
    explicit_ascii_or_virtkey: bool = false,

    pub const ASCII = 0;
    pub const VIRTKEY = 1;
    pub const NOINVERT = 1 << 1;
    pub const SHIFT = 1 << 2;
    pub const CONTROL = 1 << 3;
    pub const ALT = 1 << 4;
    /// Marker for the last accelerator in an accelerator table
    pub const last_accelerator_in_table = 1 << 7;

    pub fn apply(self: *AcceleratorModifiers, modifier: rc.AcceleratorTypeAndOptions) void {
        if (modifier == .ascii or modifier == .virtkey) self.explicit_ascii_or_virtkey = true;
        self.value |= modifierValue(modifier);
    }

    pub fn isSet(self: AcceleratorModifiers, modifier: rc.AcceleratorTypeAndOptions) bool {
        // ASCII is set whenever VIRTKEY is not
        if (modifier == .ascii) return self.value & modifierValue(.virtkey) == 0;
        return self.value & modifierValue(modifier) != 0;
    }

    fn modifierValue(modifier: rc.AcceleratorTypeAndOptions) u8 {
        return switch (modifier) {
            .ascii => ASCII,
            .virtkey => VIRTKEY,
            .noinvert => NOINVERT,
            .shift => SHIFT,
            .control => CONTROL,
            .alt => ALT,
        };
    }

    pub fn markLast(self: *AcceleratorModifiers) void {
        self.value |= last_accelerator_in_table;
    }
}