1 files changed, 21 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..13e982b
--- /dev/null
+++ b/solo-tool-project/src/solo_tool/handlers.py
@@ -0,0 +1,21 @@
+from collections.abc import Callable
+
+from solo_tool.solo_tool import SoloTool
+
+def changeSong(st: SoloTool, delta: int) -> Callable[[], None]:
+    def f():
+        if st.song is None:
+            st.song = 0
+        else:
+            st.song += delta
+    return f
+
+def seekRelative(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