Update app.py

app.py

@@ -94,8 +94,6 @@ with col_about:
             """, unsafe_allow_html=True
         )
 
-# Main query input (with a key so we can reset it)
-var = st.text_input("Enter Question", key="query")
 
 ###########################################
 # Create or load the embeddings collection
@@ -139,13 +137,20 @@ def reset_filters():
     st.session_state["show_exact_matches"] = False
     st.session_state["page"] = 1
 
+def reset_page():
+    st.session_state.page = 1
+
+###########################################
+# Main query input
+###########################################
+var = st.text_input("Enter Question", key="query",  on_change=reset_page)
 ###########################################
 # Filter Controls - Row 1
 ###########################################
 col1, col2, col3, col4, col5 = st.columns([1, 1, 1, 1, 1])
 
 with col1:
-    region_filter = st.selectbox("Region", ["All/Not allocated"] + sorted(unique_sub_regions), key="region_filter")
+    region_filter = st.selectbox("Region", ["All/Not allocated"] + sorted(unique_sub_regions), key="region_filter", on_change=reset_page)
 if region_filter == "All/Not allocated":
     filtered_country_names = unique_country_names
 else:
@@ -155,7 +160,7 @@ else:
     ]
 
 with col2:
-    country_filter = st.selectbox("Country", ["All/Not allocated"] + filtered_country_names, key="country_filter")
+    country_filter = st.selectbox("Country", ["All/Not allocated"] + filtered_country_names, key="country_filter", on_change=reset_page)
 
 with col3:
     current_year = datetime.now().year
@@ -165,12 +170,13 @@ with col3:
         min_value=2010, 
         max_value=max_end_year, 
         value=(default_start_year, max_end_year),
-        key="end_year_range"
+        key="end_year_range", 
+        on_change=reset_page
     )
 
 with col4:
     crs_options = ["All/Not allocated"] + get_crs_options(client, collection_name)
-    crs_filter = st.selectbox("CRS", crs_options, key="crs_filter")
+    crs_filter = st.selectbox("CRS", crs_options, key="crs_filter", on_change=reset_page)
 
 with col5:
     min_budget = st.slider(
@@ -178,7 +184,8 @@ with col5:
         min_value=min_budget_val,
         max_value=max_budget_val,
         value=min_budget_val,
-        key="min_budget"
+        key="min_budget",
+        on_change=reset_page
     )
 
 ###########################################
@@ -205,7 +212,7 @@ with col5_2:
 col_left, col_right = st.columns([11, 1])
 with col_left:
     # Place the "Show only exact matches" checkbox here (or any other widgets)
-    show_exact_matches = st.checkbox("Show only exact matches", key="show_exact_matches")
+    show_exact_matches = st.checkbox("Show only exact matches", key="show_exact_matches", on_change=reset_page)
 with col_right:
     # The reset button will now be in a narrow column on the far right.
     with st.container():