reaper_medium/
automation_mode.rs

1use crate::TryFromRawError;
2
3/// Global override of track automation modes.
4#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
5pub enum GlobalAutomationModeOverride {
6    /// All automation is bypassed.
7    Bypass,
8    /// Automation mode of all tracks is overridden by this one.
9    Mode(AutomationMode),
10}
11
12/// Automation mode of a track.
13#[derive(Copy, Clone, Eq, PartialEq, Hash, Debug)]
14pub enum AutomationMode {
15    TrimRead,
16    Read,
17    Touch,
18    Write,
19    Latch,
20    LatchPreview,
21}
22
23impl AutomationMode {
24    /// Converts an integer as returned by the low-level API to an automation mode.
25    pub fn try_from_raw(v: i32) -> Result<AutomationMode, TryFromRawError<i32>> {
26        use AutomationMode::*;
27        match v {
28            0 => Ok(TrimRead),
29            1 => Ok(Read),
30            2 => Ok(Touch),
31            3 => Ok(Write),
32            4 => Ok(Latch),
33            5 => Ok(LatchPreview),
34            _ => Err(TryFromRawError::new(
35                "couldn't convert to automation mode",
36                v,
37            )),
38        }
39    }
40
41    /// Converts this value to an integer as expected by the low-level API.
42    pub fn to_raw(&self) -> i32 {
43        use AutomationMode::*;
44        match self {
45            TrimRead => 0,
46            Read => 1,
47            Touch => 2,
48            Write => 3,
49            Latch => 4,
50            LatchPreview => 5,
51        }
52    }
53}
54
55#[cfg(test)]
56mod test {
57    use super::*;
58
59    #[test]
60    fn to_int() {
61        assert_eq!(3, AutomationMode::Write.to_raw());
62    }
63
64    #[test]
65    fn from_int() {
66        assert_eq!(AutomationMode::try_from_raw(3), Ok(AutomationMode::Write));
67        assert!(AutomationMode::try_from_raw(7).is_err());
68    }
69}
reaper_medium/automation_mode.rs

reaper_medium/
automation_mode.rs
