big flat

src/range.rs

@@ -0,0 +1,124 @@
+use crate::*;
+
+///
+/// ```
+/// use tek::{TimeRange, NoteRange};
+/// let model = tek::MidiSelection::from((1, false));
+///
+/// let _ = model.get_time_len();
+/// let _ = model.get_time_zoom();
+/// let _ = model.get_time_lock();
+/// let _ = model.get_time_start();
+/// let _ = model.get_time_axis();
+/// let _ = model.get_time_end();
+///
+/// let _ = model.get_note_lo();
+/// let _ = model.get_note_axis();
+/// let _ = model.get_note_hi();
+/// ```
+#[derive(Debug, Clone, Default)] pub struct MidiSelection {
+    pub time_len:   Arc<AtomicUsize>,
+    /// Length of visible time axis
+    pub time_axis:  Arc<AtomicUsize>,
+    /// Earliest time displayed
+    pub time_start: Arc<AtomicUsize>,
+    /// Time step
+    pub time_zoom:  Arc<AtomicUsize>,
+    /// Auto rezoom to fit in time axis
+    pub time_lock:  Arc<AtomicBool>,
+    /// Length of visible note axis
+    pub note_axis:  Arc<AtomicUsize>,
+    // Lowest note displayed
+    pub note_lo:    Arc<AtomicUsize>,
+}
+
+pub trait MidiRange: TimeRange + NoteRange {}
+
+impl TimeRange for MidiEditor {
+    fn time_len   (&self) -> &AtomicUsize { self.mode.time_len()   }
+    fn time_zoom  (&self) -> &AtomicUsize { self.mode.time_zoom()  }
+    fn time_lock  (&self) -> &AtomicBool  { self.mode.time_lock()  }
+    fn time_start (&self) -> &AtomicUsize { self.mode.time_start() }
+    fn time_axis  (&self) -> &AtomicUsize { self.mode.time_axis()  }
+}
+
+impl NoteRange for MidiEditor {
+    fn note_lo   (&self) -> &AtomicUsize { self.mode.note_lo()   }
+    fn note_axis (&self) -> &AtomicUsize { self.mode.note_axis() }
+}
+
+impl_from!(MidiSelection: |data:(usize, bool)| Self {
+    time_len:   Arc::new(0.into()),
+    note_axis:  Arc::new(0.into()),
+    note_lo:    Arc::new(0.into()),
+    time_axis:  Arc::new(0.into()),
+    time_start: Arc::new(0.into()),
+    time_zoom:  Arc::new(data.0.into()),
+    time_lock:  Arc::new(data.1.into()),
+});
+
+impl TimeRange for MidiSelection {
+    fn time_len   (&self) -> &AtomicUsize { &self.time_len   }
+    fn time_zoom  (&self) -> &AtomicUsize { &self.time_zoom  }
+    fn time_lock  (&self) -> &AtomicBool  { &self.time_lock  }
+    fn time_start (&self) -> &AtomicUsize { &self.time_start }
+    fn time_axis  (&self) -> &AtomicUsize { &self.time_axis  }
+}
+
+impl NoteRange for MidiSelection {
+    fn note_lo    (&self) -> &AtomicUsize { &self.note_lo    }
+    fn note_axis  (&self) -> &AtomicUsize { &self.note_axis  }
+}
+
+pub trait TimeRange {
+    fn time_len (&self) -> &AtomicUsize;
+    fn get_time_len (&self) -> usize {
+        self.time_len().load(Relaxed)
+    }
+    fn time_zoom (&self) -> &AtomicUsize;
+    fn get_time_zoom (&self) -> usize {
+        self.time_zoom().load(Relaxed)
+    }
+    fn set_time_zoom (&self, value: usize) -> usize {
+        self.time_zoom().swap(value, Relaxed)
+    }
+    fn time_lock (&self) -> &AtomicBool;
+    fn get_time_lock (&self) -> bool {
+        self.time_lock().load(Relaxed)
+    }
+    fn set_time_lock (&self, value: bool) -> bool {
+        self.time_lock().swap(value, Relaxed)
+    }
+    fn time_start (&self) -> &AtomicUsize;
+    fn get_time_start (&self) -> usize {
+        self.time_start().load(Relaxed)
+    }
+    fn set_time_start (&self, value: usize) -> usize {
+        self.time_start().swap(value, Relaxed)
+    }
+    fn time_axis (&self) -> &AtomicUsize;
+    fn get_time_axis (&self) -> usize {
+        self.time_axis().load(Relaxed)
+    }
+    fn get_time_end (&self) -> usize {
+        self.time_start().load(Relaxed) + self.time_axis().load(Relaxed) * self.time_zoom().load(Relaxed)
+    }
+}
+
+pub trait NoteRange {
+    fn note_lo   (&self) -> &AtomicUsize;
+    fn note_axis (&self) -> &AtomicUsize;
+
+    fn get_note_lo (&self) -> usize {
+        self.note_lo().load(Relaxed)
+    }
+    fn set_note_lo (&self, x: usize) -> usize {
+        self.note_lo().swap(x, Relaxed)
+    }
+    fn get_note_axis (&self) -> usize {
+        self.note_axis().load(Relaxed)
+    }
+    fn get_note_hi (&self) -> usize {
+        (self.get_note_lo() + self.get_note_axis().saturating_sub(1)).min(127)
+    }
+}