add reset function

run a reset function (if specified) when the combobox is reset

README.md

@@ -54,6 +54,7 @@ To customize the combobox you can pass the following arguments:
 ```python
 selected_value = st_combobox(
     search_function: Callable[[str], List[any]],
+    reset_function: Callable[[], None] = None,
     placeholder: str = "Search ...",
     label: str = None,
     default: any = None,
@@ -74,6 +75,12 @@ search_function: Callable[[str], List[any]]
 ```
 <br/>
 
+Function that will be called when the combobox is reset.
+```python
+reset_function: Callable[[], None] = None
+```
+<br/>
+
 Placeholder text when the combobox is blank.
 ```python
 placeholder: str = "Search ..."

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="st-combobox",
-    version="1.0.0",
+    version="1.0.1",
     author="hoggatt",
     description="Streamlit AutoComplete ComboBox",
     long_description=long_description,

st_combobox/__init__.py

@@ -87,6 +87,7 @@ def _get_value(value: any) -> any:
 @wrap_inactive_session
 def st_combobox(
     search_function: Callable[[str], List[any]],
+    reset_function: Callable[[], None] = None,
     placeholder: str = "Search ...",
     label: str = None,
     default: any = None,
@@ -105,6 +106,8 @@ def st_combobox(
     Args:
         search_function (Callable[[str], List[any]]):
             Function that is called to fetch new suggestions after user input.
+        reset_function (Callable[[], None], optional):
+            Function that is called after the user has reset the combobox. Defaults to None.
         placeholder (str, optional):
             Label shown in the combobox. Defaults to "Search ...".
         label (str, optional):
@@ -143,7 +146,9 @@ def st_combobox(
 
         # load stuff the first run if called for
         if blank_search_value is not None:
-            _process_search(search_function, key, blank_search_value, rerun_on_update, stop_on_update)
+            _process_search(
+                search_function, key, blank_search_value, rerun_on_update, stop_on_update
+            )
 
     # everything here is passed to react as this.props.args
     react_state = _get_react_component(
@@ -185,7 +190,11 @@ def st_combobox(
 
         if blank_search_value is not None:
             # reset default search if specified (must reload for this to actually show, hitting backspace again works)
-            _process_search(search_function, key, blank_search_value, rerun_on_update, stop_on_update)
+            _process_search(
+                search_function, key, blank_search_value, rerun_on_update, stop_on_update
+            )
+        if reset_function is not None:
+            reset_function()
 
         return default
 
@@ -194,4 +203,3 @@ def st_combobox(
         return None
     else:
         return st.session_state[key]["result"]
-