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//! Interrupts for communicating with the VM from the outside and also for
//! letting the VM communicate with the outside

use std::str::FromStr;
use typedef::*;

#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum ExternalInterrupt {
    KeyDown(Integer),
    KeyUp,
    MouseDown(Integer),
    MouseUp(Integer),
    Halt,
}

#[derive(Serialize, Deserialize, Debug, Clone)]
pub enum InternalInterrupt {
    FlushFramebuffer,
}

impl FromStr for InternalInterrupt {
    type Err = &'static str;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        match s {
            "0" => Ok(InternalInterrupt::FlushFramebuffer),
            _ => Err("unable to parse interrupt"),
        }
    }
}