wip: update all command definitions to use proc macro

crates/device/src/clock/clock_api.rs

@@ -1,55 +1,52 @@
 use crate::*;
 
-#[derive(Clone, Debug, PartialEq)]
-pub enum ClockCommand {
-    Play(Option<u32>),
-    Pause(Option<u32>),
-    SeekUsec(f64),
-    SeekSample(f64),
-    SeekPulse(f64),
-    SetBpm(f64),
-    SetQuant(f64),
-    SetSync(f64),
-}
-
 provide_num!(u32: |self: Clock| {});
-
+provide!(Option<u32>: |self: Clock| {});
 provide!(f64: |self: Clock| {});
 
-atom_command!(ClockCommand: |state: Clock| {
-    ("play"        []       Some(Self::Play(None)))
-    ("play"        [t: u32] Some(Self::Play(t)))
-    ("pause"       []       Some(Self::Pause(None)))
-    ("pause"       [t: u32] Some(Self::Pause(t)))
-    ("toggle"      []       Some(if state.is_rolling() { Self::Pause(None) } else { Self::Play(None) }))
-    ("toggle"      [t: u32] Some(if state.is_rolling() { Self::Pause(t) } else { Self::Play(t) }))
-    ("seek/usec"   [t: f64] Some(Self::SeekUsec(t.expect("no usec"))))
-    ("seek/pulse"  [t: f64] Some(Self::SeekPulse(t.expect("no pulse"))))
-    ("seek/sample" [t: f64] Some(Self::SeekSample(t.expect("no sample"))))
-    ("set/bpm"     [t: f64] Some(Self::SetBpm(t.expect("no bpm"))))
-    ("set/sync"    [t: f64] Some(Self::SetSync(t.expect("no sync"))))
-    ("set/quant"   [t: f64] Some(Self::SetQuant(t.expect("no quant"))))
-});
-
 impl<T: HasClock> Command<T> for ClockCommand {
     fn execute (self, state: &mut T) -> Perhaps<Self> {
-        self.execute(state.clock_mut())
+        self.execute(state.clock_mut()) // awesome
     }
 }
 
-impl Command<Clock> for ClockCommand {
-    fn execute (self, state: &mut Clock) -> Perhaps<Self> {
-        use ClockCommand::*;
-        match self {
-            Play(start)        => state.play_from(start)?,
-            Pause(pause)       => state.pause_at(pause)?,
-            SeekUsec(usec)     => state.playhead.update_from_usec(usec),
-            SeekSample(sample) => state.playhead.update_from_sample(sample),
-            SeekPulse(pulse)   => state.playhead.update_from_pulse(pulse),
-            SetBpm(bpm)        => return Ok(Some(SetBpm(state.timebase().bpm.set(bpm)))),
-            SetQuant(quant)    => return Ok(Some(SetQuant(state.quant.set(quant)))),
-            SetSync(sync)      => return Ok(Some(SetSync(state.sync.set(sync)))),
-        };
+#[tengri_proc::command(Clock)]
+impl ClockCommand {
+    fn play (self, state: &mut Clock, position: Option<u32>) -> Perhaps<Self> {
+        state.play_from(position)?;
+        Ok(None) // TODO Some(Pause(previousPosition))
+    }
+    fn pause (self, state: &mut Clock, position: Option<u32>) -> Perhaps<Self> {
+        state.pause_at(position)?;
         Ok(None)
     }
+    fn toggle_playback (self, state: &mut Clock, position: Option<u32>) -> Perhaps<Self> {
+        if state.is_rolling() {
+            state.pause_at(position)?;
+        } else {
+            state.play_from(position)?;
+        }
+        Ok(None)
+    }
+    fn seek_usec (self, state: &mut Clock, usec: f64) -> Perhaps<Self> {
+        state.playhead.update_from_usec(usec);
+        Ok(None)
+    }
+    fn seek_sample (self, state: &mut Clock, sample: f64) -> Perhaps<Self> {
+        state.playhead.update_from_sample(sample);
+        Ok(None)
+    }
+    fn seek_pulse (self, state: &mut Clock, pulse: f64) -> Perhaps<Self> {
+        state.playhead.update_from_pulse(pulse);
+        Ok(None)
+    }
+    fn set_bpm (self, state: &mut Clock, bpm: f64) -> Perhaps<Self> {
+        Ok(Some(Self::SetBpm { bpm: state.timebase().bpm.set(bpm) }))
+    }
+    fn set_quant (self, state: &mut Clock, quant: f64) -> Perhaps<Self> {
+        Ok(Some(Self::SetQuant { quant: state.quant.set(quant) }))
+    }
+    fn set_sync (self, state: &mut Clock, sync: f64) -> Perhaps<Self> {
+        Ok(Some(Self::SetSync { sync: state.sync.set(sync) }))
+    }
 }