1 files changed, 84 insertions, 0 deletions
diff --git a/solo-tool-project/src/solo_tool/handlers.py b/solo-tool-project/src/solo_tool/handlers.py
new file mode 100644
index 0000000..1820e86
--- /dev/null
+++ b/solo-tool-project/src/solo_tool/handlers.py
@@ -0,0 +1,84 @@
+from collections.abc import Callable
+
+from solo_tool.solo_tool import SoloTool
+
+def playPause(st: SoloTool) -> Callable[[], None]:
+    def f():
+        if st.playing:
+            st.pause()
+        else:
+            st.play()
+    return f
+
+def songRelative(st: SoloTool, delta: int) -> Callable[[], None]:
+    def f():
+        if st.song is None:
+            st.song = 0
+        else:
+            st.song += delta
+    return f
+
+def restartOrPreviousSong(st: SoloTool, threshold: float) -> Callable[[], None]:
+    def f():
+        if st.position < threshold and st.song > 0:
+            st.song -= 1
+        else:
+            st.position = 0.0
+    return f
+
+def songAbsolute(st: SoloTool, index: int, followUp: Callable[[], None]=None) -> Callable[[], None]:
+    def f():
+        st.song = index
+        if followUp is not None:
+            followUp()
+    return f
+
+def seekRelative(st: SoloTool, delta: float) -> Callable[[], None]:
+    def f():
+        st.position += delta
+    return f
+
+def seekAbsolute(st: SoloTool, delta: float) -> Callable[[], None]:
+    def f():
+        st.position = delta
+    return f
+
+def positionToKeyPoint(st: SoloTool) -> Callable[[], None]:
+    def f():
+        st.keyPoint = st.position
+    return f
+
+def keyPointAbsolute(st: SoloTool, kp: float) -> Callable[[], None]:
+    def f():
+        st.keyPoint = kp
+    return f
+
+def keyPointRelative(st: SoloTool, delta: int) -> Callable[[], None]:
+    from bisect import bisect_right, bisect_left
+    def f():
+        l = sorted(set(st.keyPoints + [st.keyPoint]))
+        if delta > 0:
+            pivot = bisect_right(l, st.keyPoint) - 1
+        elif delta < 0:
+            pivot = bisect_left(l, st.keyPoint)
+        else:
+            return
+        new = max(min(pivot + delta, len(l) - 1), 0)
+        st.keyPoint = l[new]
+    return f
+
+def rateAbsolute(st: SoloTool, value: float) -> Callable[[], None]:
+    def f():
+        st.rate = value
+    return f
+
+def rateRelative(st: SoloTool, delta: float) -> Callable[[], None]:
+    def f():
+        st.rate += delta
+    return f
+
+def volumeAbsolute(st: SoloTool, value: float) -> Callable[[], None]:
+    def f():
+        st.volume = value
+    return f
+